x=4(90-x)

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Solution for x=4(90-x) equation: 


Simplifying
x = 4(90 + -1x)
x = (90 * 4 + -1x * 4)
x = (360 + -4x)

Solving
x = 360 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
x + 4x = 360 + -4x + 4x

Combine like terms: x + 4x = 5x
5x = 360 + -4x + 4x

Combine like terms: -4x + 4x = 0
5x = 360 + 0
5x = 360

Divide each side by '5'.
x = 72

Simplifying
x = 72

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