(2x+7)+8=12

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Solution for (2x+7)+8=12 equation:


Simplifying
(2x + 7) + 8 = 12

Reorder the terms:
(7 + 2x) + 8 = 12

Remove parenthesis around (7 + 2x)
7 + 2x + 8 = 12

Reorder the terms:
7 + 8 + 2x = 12

Combine like terms: 7 + 8 = 15
15 + 2x = 12

Solving
15 + 2x = 12

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 2x = 12 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = 12 + -15
2x = 12 + -15

Combine like terms: 12 + -15 = -3
2x = -3

Divide each side by '2'.
x = -1.5

Simplifying
x = -1.5

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