Answer:
A. x = 5
B. x = 10/9
C. x = -11
Explanation:
A.
9x - 6x = 11 + 4
3x = 15
3x/3 = 15/3
x = 5
B.
5x + 10 = -4x
9x = 10
x = 10/9
C.
1/2 (10x + 2) = 6x + 12
5x + 1 = -6x + 12
-x = 11
x = -11
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