3(x+2)-x=15+7

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Solution for 3(x+2)-x=15+7 equation:


Simplifying
3(x + 2) + -1x = 15 + 7

Reorder the terms:
3(2 + x) + -1x = 15 + 7
(2 * 3 + x * 3) + -1x = 15 + 7
(6 + 3x) + -1x = 15 + 7

Combine like terms: 3x + -1x = 2x
6 + 2x = 15 + 7

Combine like terms: 15 + 7 = 22
6 + 2x = 22

Solving
6 + 2x = 22

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 2x = 22 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 22 + -6
2x = 22 + -6

Combine like terms: 22 + -6 = 16
2x = 16

Divide each side by '2'.
x = 8

Simplifying
x = 8

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