3x+(2x+12)=57

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Solution for 3x+(2x+12)=57 equation:


Simplifying
3x + (2x + 12) = 57

Reorder the terms:
3x + (12 + 2x) = 57

Remove parenthesis around (12 + 2x)
3x + 12 + 2x = 57

Reorder the terms:
12 + 3x + 2x = 57

Combine like terms: 3x + 2x = 5x
12 + 5x = 57

Solving
12 + 5x = 57

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 + 5x = 57 + -12

Combine like terms: 12 + -12 = 0
0 + 5x = 57 + -12
5x = 57 + -12

Combine like terms: 57 + -12 = 45
5x = 45

Divide each side by '5'.
x = 9

Simplifying
x = 9

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