3+x=12-1

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Solution for 3+x=12-1 equation: 


Simplifying
3 + x = 12 + -1

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

Solving
3 + x = 11

Solving for variable 'x'.

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

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

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

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

Simplifying
x = 8

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