3+x=12-2

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Solution for 3+x=12-2 equation: 


Simplifying
3 + x = 12 + -2

Combine like terms: 12 + -2 = 10
3 + x = 10

Solving
3 + x = 10

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 = 10 + -3

Combine like terms: 3 + -3 = 0
0 + x = 10 + -3
x = 10 + -3

Combine like terms: 10 + -3 = 7
x = 7

Simplifying
x = 7

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