12x+2y=3x+2y+90

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Solution for 12x+2y=3x+2y+90 equation:


Simplifying
12x + 2y = 3x + 2y + 90

Reorder the terms:
12x + 2y = 90 + 3x + 2y

Add '-2y' to each side of the equation.
12x + 2y + -2y = 90 + 3x + 2y + -2y

Combine like terms: 2y + -2y = 0
12x + 0 = 90 + 3x + 2y + -2y
12x = 90 + 3x + 2y + -2y

Combine like terms: 2y + -2y = 0
12x = 90 + 3x + 0
12x = 90 + 3x

Solving
12x = 90 + 3x

Solving for variable 'x'.

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

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

Combine like terms: 12x + -3x = 9x
9x = 90 + 3x + -3x

Combine like terms: 3x + -3x = 0
9x = 90 + 0
9x = 90

Divide each side by '9'.
x = 10

Simplifying
x = 10

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