x - 7 - 9 = -3
x - 16 = -3
x = 13
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3/Y+7\Y=9 =>Y=10\9
(3x - 7)(2x + 9) = 0 x = 7/3 or -9/2
x=7
Solve for y 3y=-7x+9 y=-7/3x+3 the slope is the coefficient of x in this case, it is -7/3
3m-5 = 7-21 3m = 7-21+5 3m = -9 m = -3