1/10 (x+11) = -2 (8-x)
(1/10) (x+11) = -2 (8-x) multiply both sides by 10 to clear the fraction
10 (1/10)(x + 11) = 10 (-2)(8 - x)
1(x + 11) = -20( 8 - x)
x + 11 = -160 + 20x add 160 to both sides, subtract x from both sides
171 = 19x divide both sides by 19
9 = x
