Mathematical ReasoningQuestion 56 of 120
Which value of x makes the equation 2x = 5x − 12 true?
a.2
b.3
c.6
d.4
Explanation
Subtract 2x from both sides to get 0 = 3x − 12, then add 12 and divide by 3 to find x = 4. Gathering variables on one side isolates x. Checking: 2(4) = 8 and 5(4) − 12 = 8, which matches.
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