18-4(2x)=x

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Solution for 18-4(2x)=x equation:


Simplifying
18 + -4(2x) = x

Remove parenthesis around (2x)
18 + -4 * 2x = x

Multiply -4 * 2
18 + -8x = x

Solving
18 + -8x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
18 + -8x + -1x = x + -1x

Combine like terms: -8x + -1x = -9x
18 + -9x = x + -1x

Combine like terms: x + -1x = 0
18 + -9x = 0

Add '-18' to each side of the equation.
18 + -18 + -9x = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -9x = 0 + -18
-9x = 0 + -18

Combine like terms: 0 + -18 = -18
-9x = -18

Divide each side by '-9'.
x = 2

Simplifying
x = 2

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