3y-12+x=90

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


Simplifying
3y + -12 + x = 90

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

Solving
-12 + x + 3y = 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 + x + 12 + 3y = 90 + 12

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

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

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

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

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

Simplifying
x = 102 + -3y

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