(x+9)20=140

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


Simplifying
(x + 9) * 20 = 140

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

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

Solving
180 + 20x = 140

Solving for variable 'x'.

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

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

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

Combine like terms: 140 + -180 = -40
20x = -40

Divide each side by '20'.
x = -2

Simplifying
x = -2

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