-15+13=10-x+21-5x

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Solution for -15+13=10-x+21-5x equation:


Simplifying
-15 + 13 = 10 + -1x + 21 + -5x

Combine like terms: -15 + 13 = -2
-2 = 10 + -1x + 21 + -5x

Reorder the terms:
-2 = 10 + 21 + -1x + -5x

Combine like terms: 10 + 21 = 31
-2 = 31 + -1x + -5x

Combine like terms: -1x + -5x = -6x
-2 = 31 + -6x

Solving
-2 = 31 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-2 + 6x = 31 + -6x + 6x

Combine like terms: -6x + 6x = 0
-2 + 6x = 31 + 0
-2 + 6x = 31

Add '2' to each side of the equation.
-2 + 2 + 6x = 31 + 2

Combine like terms: -2 + 2 = 0
0 + 6x = 31 + 2
6x = 31 + 2

Combine like terms: 31 + 2 = 33
6x = 33

Divide each side by '6'.
x = 5.5

Simplifying
x = 5.5

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