3x+7=-3x-15

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Solution for 3x+7=-3x-15 equation:


Simplifying
3x + 7 = -3x + -15

Reorder the terms:
7 + 3x = -3x + -15

Reorder the terms:
7 + 3x = -15 + -3x

Solving
7 + 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.
7 + 3x + 3x = -15 + -3x + 3x

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

Combine like terms: -3x + 3x = 0
7 + 6x = -15 + 0
7 + 6x = -15

Add '-7' to each side of the equation.
7 + -7 + 6x = -15 + -7

Combine like terms: 7 + -7 = 0
0 + 6x = -15 + -7
6x = -15 + -7

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

Divide each side by '6'.
x = -3.666666667

Simplifying
x = -3.666666667

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