Answer: x = -19
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-19 + -10x + 8x = 19 + -8x + 8x
-10x + 8x = -2x
-19 + -2x = 19 + -8x + 8x
-8x + 8x = 0
-19 + -2x = 19 + 0
-19 + -2x = 19
-19 + 19 + -2x = 19 + 19
-19 + 19 = 0
0 + -2x = 19 + 19
-2x = 19 + 19
19 + 19 = 38
-2x = 38
= -19