# First Degree Equation (ax+b=c) — (Linear Equations)

> (Linear Equations) (iPhone/iPad app by Paulo Narra.)

- Source: https://appshunter.io/ios/app/first-degree-equation-ax-plus-bc/id1344600536 (this page in markdown: same URL + `.md`)
- Developer: [Paulo Narra](https://appshunter.io/developer/1251717382)
- Category: Education, Productivity
- Price: $2.99 with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 43 MB
- Languages: American English, European Portuguese, European Spanish
- Released: 2018-02-21
- Data updated: 2026-08-14
- User reviews in markdown: https://appshunter.io/ios/app/first-degree-equation-ax-plus-bc/id1344600536/reviews.md

## What is First Degree Equation (ax+b=c)?

Application content

 
Lesson 01 :: Subtraction Review
​
 - Definition of subtraction 
 - Different rules (step by step)
 - Practice and Review (with evaluation)
​
 
Lesson 02 :: Parentheses Review
​
 - Use of Parentheses
 - Subtracting with Parentheses (step by step)
 - Multiplying with Parentheses (step by step)
 - Practice and Review (with evaluation)
​
 
Lesson 03 :: First-Degree Equations
​
 - Definition
 - Names of Degrees
 - Different rules (step by step)
 - Practice and Review (with evaluation)
​
 
Lesson 04 :: First-Degree Equations with variable
​
 - Work with one variable in both sides
 - Different rules (step by step)
 - Practice and Review (with evaluation)
​
 
Lesson 05 :: First-Degree Equations with fractions
​
 - Work with fractions
 - Different rules (step by step)
 - Practice and Review (with evaluation)
​
 
Lesson 06 :: Final Review (Problems)
​
 - Balance (step by step)
 - Distance (step by step)
- Tennis Court  (step by step)

## Pricing and in-app purchases

Base price: $2.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock Full Version | $1.99 | one-time |



## Version history (last 5 releases)

### 5.1 — 2023-11-13

New graphic design
Small operating improvements

### 5 — 2023-11-08

New graphic design
Small operating improvements

### 4.1.3 — 2020-04-27

Correction of minor errors

### 4.1.2 — 2020-04-15

Resolves an issue in accessing to in-app purchases

### 4.1.1 — 2020-04-14

Resolves an issue in accessing to in-app purchases

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## More apps by Paulo Narra

- [Naturally Detox](https://appshunter.io/ios/app/naturally-detox/id1449044679)
- [Pixel ColorPicker](https://appshunter.io/ios/app/pixel-colorpicker/id1461719530)
- [Learn & Validate SQL](https://appshunter.io/ios/app/learn-and-validate-sql/id1491822242)
- [Learn SQL for MySQL](https://appshunter.io/ios/app/learn-sql-for-mysql/id1521671915)
- [Learn Ps Tools](https://appshunter.io/ios/app/learn-ps-tools/id1525100016)

All apps by Paulo Narra: https://appshunter.io/developer/1251717382

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*