(3x-12)+y=90

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Solution for (3x-12)+y=90 equation:


Simplifying
(3x + -12) + y = 90

Reorder the terms:
(-12 + 3x) + y = 90

Remove parenthesis around (-12 + 3x)
-12 + 3x + y = 90

Solving
-12 + 3x + y = 90

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 3x + 12 + y = 90 + 12

Reorder the terms:
-12 + 12 + 3x + y = 90 + 12

Combine like terms: -12 + 12 = 0
0 + 3x + y = 90 + 12
3x + y = 90 + 12

Combine like terms: 90 + 12 = 102
3x + y = 102

Add '-1y' to each side of the equation.
3x + y + -1y = 102 + -1y

Combine like terms: y + -1y = 0
3x + 0 = 102 + -1y
3x = 102 + -1y

Divide each side by '3'.
x = 34 + -0.3333333333y

Simplifying
x = 34 + -0.3333333333y

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