Solve the equation for x
by Eric
(Florham Park, NJ)
(x+13)/y = 9
Multiply both sides of the equation by y
y×(x + 13)/y = 9 × y
Simplify
x + 13 = 9y
Minus 13 from both sides of the equation
x + 13 - 13 = 9y - 13
x + 0 = 9y - 13
x = 9y - 13
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