4+(1+x)=12

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Solution for 4+(1+x)=12 equation: 


Simplifying
4 + (1 + x) = 12

Remove parenthesis around (1 + x)
4 + 1 + x = 12

Combine like terms: 4 + 1 = 5
5 + x = 12

Solving
5 + x = 12

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + x = 12 + -5

Combine like terms: 5 + -5 = 0
0 + x = 12 + -5
x = 12 + -5

Combine like terms: 12 + -5 = 7
x = 7

Simplifying
x = 7

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