3x+(x+12)=124

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Solution for 3x+(x+12)=124 equation:


Simplifying
3x + (x + 12) = 124

Reorder the terms:
3x + (12 + x) = 124

Remove parenthesis around (12 + x)
3x + 12 + x = 124

Reorder the terms:
12 + 3x + x = 124

Combine like terms: 3x + x = 4x
12 + 4x = 124

Solving
12 + 4x = 124

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 4x = 124 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 124 + -12
4x = 124 + -12

Combine like terms: 124 + -12 = 112
4x = 112

Divide each side by '4'.
x = 28

Simplifying
x = 28

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