Question

1. Which equation is equivalent to the equation 6x + 9 = 12?

A. x +9=6
B. 2x + 3 = 4
C. 3x +9= 6
D. 6x + 12 = 9

Answer 1

B) 2x+3=4

Explanation:

6x+9=12

6x=12-9

6x=3

x=3/6

x=1/2

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Because 2x+3=4, 2x=4-3, 2x=1, x=1/2.