5(90-x)=2(180-x)

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Solution for 5(90-x)=2(180-x) equation:


Simplifying
5(90 + -1x) = 2(180 + -1x)
(90 * 5 + -1x * 5) = 2(180 + -1x)
(450 + -5x) = 2(180 + -1x)
450 + -5x = (180 * 2 + -1x * 2)
450 + -5x = (360 + -2x)

Solving
450 + -5x = 360 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
450 + -5x + 2x = 360 + -2x + 2x

Combine like terms: -5x + 2x = -3x
450 + -3x = 360 + -2x + 2x

Combine like terms: -2x + 2x = 0
450 + -3x = 360 + 0
450 + -3x = 360

Add '-450' to each side of the equation.
450 + -450 + -3x = 360 + -450

Combine like terms: 450 + -450 = 0
0 + -3x = 360 + -450
-3x = 360 + -450

Combine like terms: 360 + -450 = -90
-3x = -90

Divide each side by '-3'.
x = 30

Simplifying
x = 30

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