140=(x-9)20

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Solution for 140=(x-9)20 equation: 


Simplifying
140 = (x + -9) * 20

Reorder the terms:
140 = (-9 + x) * 20

Reorder the terms for easier multiplication:
140 = 20(-9 + x)
140 = (-9 * 20 + x * 20)
140 = (-180 + 20x)

Solving
140 = -180 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
140 + -20x = -180 + 20x + -20x

Combine like terms: 20x + -20x = 0
140 + -20x = -180 + 0
140 + -20x = -180

Add '-140' to each side of the equation.
140 + -140 + -20x = -180 + -140

Combine like terms: 140 + -140 = 0
0 + -20x = -180 + -140
-20x = -180 + -140

Combine like terms: -180 + -140 = -320
-20x = -320

Divide each side by '-20'.
x = 16

Simplifying
x = 16

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