-15-3x=13-7x

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Solution for -15-3x=13-7x equation:


Simplifying
-15 + -3x = 13 + -7x

Solving
-15 + -3x = 13 + -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 + -3x + 7x = 13 + -7x + 7x

Combine like terms: -3x + 7x = 4x
-15 + 4x = 13 + -7x + 7x

Combine like terms: -7x + 7x = 0
-15 + 4x = 13 + 0
-15 + 4x = 13

Add '15' to each side of the equation.
-15 + 15 + 4x = 13 + 15

Combine like terms: -15 + 15 = 0
0 + 4x = 13 + 15
4x = 13 + 15

Combine like terms: 13 + 15 = 28
4x = 28

Divide each side by '4'.
x = 7

Simplifying
x = 7

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