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Sagot :
Answer:
x = 2
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtract Property of Equality
Step-by-step explanation:
Step 1: Define
7x + -4 = 3(x - 7) + 25
Step 2: Solve for x
- Simplify equation: 7x - 4 = 3(x - 7) + 25
- Distribute 3: 7x - 4 = 3x - 21 + 25
- Add: 7x - 4 = 3x + 4
- Subtract 3x on both sides: 4x - 4 = 4
- Add 4 on both sides: 4x = 8
- Divide 4 on both sides: x = 2
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