12-7(x-9)=75+by

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Solution for 12-7(x-9)=75+by equation: 


Simplifying
12 + -7(x + -9) = 75 + by

Reorder the terms:
12 + -7(-9 + x) = 75 + by
12 + (-9 * -7 + x * -7) = 75 + by
12 + (63 + -7x) = 75 + by

Combine like terms: 12 + 63 = 75
75 + -7x = 75 + by

Add '-75' to each side of the equation.
75 + -75 + -7x = 75 + -75 + by

Combine like terms: 75 + -75 = 0
0 + -7x = 75 + -75 + by
-7x = 75 + -75 + by

Combine like terms: 75 + -75 = 0
-7x = 0 + by
-7x = by

Solving
-7x = by

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '-7'.
x = -0.1428571429by

Simplifying
x = -0.1428571429by

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