Answer:
-12
Explanation:
I put it in my special calculator
3/4 (3x + 4) = 4 (x + 6)
9x/4 + 3 = 4x + 24
9x/4 - 4x = 24 - 3
9x/4 - 4x = 21
multiply by 4 on both sides
9x - 16x = 84
-7x = 84
x = 84 / -7
x = -12
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