(x+1)+(x+2)=(x)-15

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Solution for (x+1)+(x+2)=(x)-15 equation:


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

Reorder the terms:
(1 + x) + (x + 2) = (x) + -15

Remove parenthesis around (1 + x)
1 + x + (x + 2) = (x) + -15

Reorder the terms:
1 + x + (2 + x) = (x) + -15

Remove parenthesis around (2 + x)
1 + x + 2 + x = (x) + -15

Reorder the terms:
1 + 2 + x + x = (x) + -15

Combine like terms: 1 + 2 = 3
3 + x + x = (x) + -15

Combine like terms: x + x = 2x
3 + 2x = (x) + -15
3 + 2x = x + -15

Reorder the terms:
3 + 2x = -15 + x

Solving
3 + 2x = -15 + 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.
3 + 2x + -1x = -15 + x + -1x

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

Combine like terms: x + -1x = 0
3 + 1x = -15 + 0
3 + 1x = -15

Add '-3' to each side of the equation.
3 + -3 + 1x = -15 + -3

Combine like terms: 3 + -3 = 0
0 + 1x = -15 + -3
1x = -15 + -3

Combine like terms: -15 + -3 = -18
1x = -18

Divide each side by '1'.
x = -18

Simplifying
x = -18

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