Answer:
-2
Explanation:
-2 (10 + 6x) + 10 = -34
(-2 x 10, -2 x 6x)
-20 + (-12x) + 10 = -34
-20 + 10 = -10
-10 - 12x = -34
+10 +10
-12x = -24
-12 -12
x = -2
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