-7x+15=-3x-9

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Solution for -7x+15=-3x-9 equation:


Simplifying
-7x + 15 = -3x + -9

Reorder the terms:
15 + -7x = -3x + -9

Reorder the terms:
15 + -7x = -9 + -3x

Solving
15 + -7x = -9 + -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.
15 + -7x + 3x = -9 + -3x + 3x

Combine like terms: -7x + 3x = -4x
15 + -4x = -9 + -3x + 3x

Combine like terms: -3x + 3x = 0
15 + -4x = -9 + 0
15 + -4x = -9

Add '-15' to each side of the equation.
15 + -15 + -4x = -9 + -15

Combine like terms: 15 + -15 = 0
0 + -4x = -9 + -15
-4x = -9 + -15

Combine like terms: -9 + -15 = -24
-4x = -24

Divide each side by '-4'.
x = 6

Simplifying
x = 6

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