15-3+(x-1)=12

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Solution for 15-3+(x-1)=12 equation: 


Simplifying
15 + -3 + (x + -1) = 12

Reorder the terms:
15 + -3 + (-1 + x) = 12

Remove parenthesis around (-1 + x)
15 + -3 + -1 + x = 12

Combine like terms: 15 + -3 = 12
12 + -1 + x = 12

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

Solving
11 + x = 12

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + x = 12 + -11

Combine like terms: 11 + -11 = 0
0 + x = 12 + -11
x = 12 + -11

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

Simplifying
x = 1

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