12x-4(5y-2x)=90

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Solution for 12x-4(5y-2x)=90 equation:


Simplifying
12x + -4(5y + -2x) = 90

Reorder the terms:
12x + -4(-2x + 5y) = 90
12x + (-2x * -4 + 5y * -4) = 90
12x + (8x + -20y) = 90

Combine like terms: 12x + 8x = 20x
20x + -20y = 90

Solving
20x + -20y = 90

Solving for variable 'x'.

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

Add '20y' to each side of the equation.
20x + -20y + 20y = 90 + 20y

Combine like terms: -20y + 20y = 0
20x + 0 = 90 + 20y
20x = 90 + 20y

Divide each side by '20'.
x = 4.5 + y

Simplifying
x = 4.5 + y

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