3x+2x+12=x+72

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Solution for 3x+2x+12=x+72 equation:


Simplifying
3x + 2x + 12 = x + 72

Reorder the terms:
12 + 3x + 2x = x + 72

Combine like terms: 3x + 2x = 5x
12 + 5x = x + 72

Reorder the terms:
12 + 5x = 72 + x

Solving
12 + 5x = 72 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
12 + 5x + -1x = 72 + x + -1x

Combine like terms: 5x + -1x = 4x
12 + 4x = 72 + x + -1x

Combine like terms: x + -1x = 0
12 + 4x = 72 + 0
12 + 4x = 72

Add '-12' to each side of the equation.
12 + -12 + 4x = 72 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 72 + -12
4x = 72 + -12

Combine like terms: 72 + -12 = 60
4x = 60

Divide each side by '4'.
x = 15

Simplifying
x = 15

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