-7x-7=-3x-15

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


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

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

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

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

Combine like terms: -7x + 3x = -4x
-7 + -4x = -15 + -3x + 3x

Combine like terms: -3x + 3x = 0
-7 + -4x = -15 + 0
-7 + -4x = -15

Add '7' to each side of the equation.
-7 + 7 + -4x = -15 + 7

Combine like terms: -7 + 7 = 0
0 + -4x = -15 + 7
-4x = -15 + 7

Combine like terms: -15 + 7 = -8
-4x = -8

Divide each side by '-4'.
x = 2

Simplifying
x = 2

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