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Ber [7]
3 years ago
14

Solve the equation for x: 126 = 3x. A. x = 378 B. x = 129 C. x = 123 D. x = 42

Mathematics
1 answer:
KIM [24]3 years ago
4 0

Answer:

The answer is answer D, x=42.

Step-by-step explanation:

To isolate the variable, you need to divide both sides of the equation by three, using the division property of equality. 126/3=42 , and 3x/3=x , this gives you 42=x, or x=42, meaning the answer is D.

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