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5

Set 5: Systems Of Equations (Beginner)

Explanation

Answer: B

PROBLEM

Solve: 2x + 4y = 34, 2x + 3y = 29. Find x.

Solve: 2x + 4y = 34, 2x + 3y = 29. Find x.

A.

8

B.

7

✓ Correct
C.

5

D.

6

Detailed Explanation

Choice B is the best answer. Using elimination or substitution: x = 7

Why others are wrong:
A: 8 is incorrect because it does not satisfy the equation.
C: 5 is incorrect because it does not satisfy the equation.
D: 6 is incorrect because it does not satisfy the equation.
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