(17 - x) / 4 = -10
Multiply each side by 4:
17 - x = -40
Add 'x' to each side:
17 = -40 + x
Add 40 to each side:
57 = x
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-4 = 17x so x = -4/17
7/10 - 3/10 = 4/10
2/5 divided by 3/10 equals .4/.3 which equals 4/3 or 1.33333333
(4x+3)(x-5) = 0 x = -3/4 or x = 5
8 over 10 which equals 4 over 5.