(x+2)+7=3x-9

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Solution for (x+2)+7=3x-9 equation:


Simplifying
(x + 2) + 7 = 3x + -9

Reorder the terms:
(2 + x) + 7 = 3x + -9

Remove parenthesis around (2 + x)
2 + x + 7 = 3x + -9

Reorder the terms:
2 + 7 + x = 3x + -9

Combine like terms: 2 + 7 = 9
9 + x = 3x + -9

Reorder the terms:
9 + x = -9 + 3x

Solving
9 + x = -9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
9 + x + -3x = -9 + 3x + -3x

Combine like terms: x + -3x = -2x
9 + -2x = -9 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + -2x = -9 + 0
9 + -2x = -9

Add '-9' to each side of the equation.
9 + -9 + -2x = -9 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = -9 + -9
-2x = -9 + -9

Combine like terms: -9 + -9 = -18
-2x = -18

Divide each side by '-2'.
x = 9

Simplifying
x = 9

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