Question

Amit solved the equation 5/12 = -x/420 for x using the steps shown below. What is Amit's error?

5/12 = -x/420
5/12(420) = -x/420(420)
x = 175

A: Amit should have multiplied both sides by 5/12
B: Amit should have multiplied both sides by 12/5
C: The product of 5/12 and 420 is not equal to 175
D: The product of 5/12 and -420 should have been the value of x​

Answer 1

D: The product of 5/12 and -420 should have been the value of x​

Explanation:

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