Question

Solve for x
35+.8x=43-7x

Answer 1

x = 1.02564

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Equality Properties

• Multiplication Property of Equality
• Division Property of Equality
• Addition Property of Equality
• Subtraction Property of Equality

Algebra I

• Terms/Coefficients

Explanation:

Step 1: Define

35 + 0.8x = 43 - 7x

Step 2: Solve for x

1. [Addition Property of Equality] Add 7x on both sides: 35 + 7.8x = 43
2. [Subtraction Property of Equality] Subtract 35 on both sides: 7.8x = 8
3. [Division Property of Equality] Divide 7.8 on both sides: x = 1.02564