-3x-7=-7x-15

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


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

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

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

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

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-7 + -3x + 7x = -15 + -7x + 7x

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

Combine like terms: -7x + 7x = 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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