If -8x+3=251, then 8x=-248. Therefore, x=-31.
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8x + 3 = 50 8x = 47x = 47/8x= 5 and 7/8ths
8x-4 = -7+5x 8x-5x = -7+4 3x = -3 x = -1
(8x + 3)2 ie (8x + 3)(8x + 3)
9x+4 =x-7 8x=-3 x=-3/8
8x+30=4x+18 -4x -4x 4x+30=18 -30 -30 4x=-12 4x/4=-12/4 x=-3