15-5x=7-7x

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Solution for 15-5x=7-7x equation:


Simplifying
15 + -5x = 7 + -7x

Solving
15 + -5x = 7 + -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.
15 + -5x + 7x = 7 + -7x + 7x

Combine like terms: -5x + 7x = 2x
15 + 2x = 7 + -7x + 7x

Combine like terms: -7x + 7x = 0
15 + 2x = 7 + 0
15 + 2x = 7

Add '-15' to each side of the equation.
15 + -15 + 2x = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = 7 + -15
2x = 7 + -15

Combine like terms: 7 + -15 = -8
2x = -8

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

Simplifying
x = -4

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