x-20(9)=7x

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Solution for x-20(9)=7x equation:


Simplifying
x + -20(9) = 7x

Multiply -20 * 9
x + -180 = 7x

Reorder the terms:
-180 + x = 7x

Solving
-180 + x = 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-180 + x + -7x = 7x + -7x

Combine like terms: x + -7x = -6x
-180 + -6x = 7x + -7x

Combine like terms: 7x + -7x = 0
-180 + -6x = 0

Add '180' to each side of the equation.
-180 + 180 + -6x = 0 + 180

Combine like terms: -180 + 180 = 0
0 + -6x = 0 + 180
-6x = 0 + 180

Combine like terms: 0 + 180 = 180
-6x = 180

Divide each side by '-6'.
x = -30

Simplifying
x = -30

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