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

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


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

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

Reorder the terms:
-3 + -1x + -2x = 3x + 15

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

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

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

Combine like terms: -3x + -3x = -6x
-3 + -6x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
-3 + -6x = 15 + 0
-3 + -6x = 15

Add '3' to each side of the equation.
-3 + 3 + -6x = 15 + 3

Combine like terms: -3 + 3 = 0
0 + -6x = 15 + 3
-6x = 15 + 3

Combine like terms: 15 + 3 = 18
-6x = 18

Divide each side by '-6'.
x = -3

Simplifying
x = -3

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