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1

Set 1: Linear Equations (Intermediate)

Explanation

Answer: B

PROBLEM

Solve for x: 5x - 4 = 4x + 4

Solve for x: 5x - 4 = 4x + 4

A.

10

B.

8

✓ Correct
C.

16

D.

9

Detailed Explanation

Choice B is the best answer. Solve step by step: x = 8

Why others are wrong:
A: 10 is incorrect because it does not satisfy the equation.
C: 16 is incorrect because it does not satisfy the equation.
D: 9 is incorrect because it does not satisfy the equation.
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