18-7=(3-x)

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Solution for 18-7=(3-x) equation:


Simplifying
18 + -7 = (3 + -1x)

Combine like terms: 18 + -7 = 11
11 = (3 + -1x)

Remove parenthesis around (3 + -1x)
11 = 3 + -1x

Solving
11 = 3 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
11 + x = 3 + -1x + x

Combine like terms: -1x + x = 0
11 + x = 3 + 0
11 + x = 3

Add '-11' to each side of the equation.
11 + -11 + x = 3 + -11

Combine like terms: 11 + -11 = 0
0 + x = 3 + -11
x = 3 + -11

Combine like terms: 3 + -11 = -8
x = -8

Simplifying
x = -8

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