18-x=10+2(90-x)

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Solution for 18-x=10+2(90-x) equation:


Simplifying
18 + -1x = 10 + 2(90 + -1x)
18 + -1x = 10 + (90 * 2 + -1x * 2)
18 + -1x = 10 + (180 + -2x)

Combine like terms: 10 + 180 = 190
18 + -1x = 190 + -2x

Solving
18 + -1x = 190 + -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.
18 + -1x + 2x = 190 + -2x + 2x

Combine like terms: -1x + 2x = 1x
18 + 1x = 190 + -2x + 2x

Combine like terms: -2x + 2x = 0
18 + 1x = 190 + 0
18 + 1x = 190

Add '-18' to each side of the equation.
18 + -18 + 1x = 190 + -18

Combine like terms: 18 + -18 = 0
0 + 1x = 190 + -18
1x = 190 + -18

Combine like terms: 190 + -18 = 172
1x = 172

Divide each side by '1'.
x = 172

Simplifying
x = 172

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