x+12=(11-x)+7

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Solution for x+12=(11-x)+7 equation:


Simplifying
x + 12 = (11 + -1x) + 7

Reorder the terms:
12 + x = (11 + -1x) + 7

Remove parenthesis around (11 + -1x)
12 + x = 11 + -1x + 7

Reorder the terms:
12 + x = 11 + 7 + -1x

Combine like terms: 11 + 7 = 18
12 + x = 18 + -1x

Solving
12 + x = 18 + -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.
12 + x + x = 18 + -1x + x

Combine like terms: x + x = 2x
12 + 2x = 18 + -1x + x

Combine like terms: -1x + x = 0
12 + 2x = 18 + 0
12 + 2x = 18

Add '-12' to each side of the equation.
12 + -12 + 2x = 18 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 18 + -12
2x = 18 + -12

Combine like terms: 18 + -12 = 6
2x = 6

Divide each side by '2'.
x = 3

Simplifying
x = 3

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