-x+21=-5x+13

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


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

Reorder the terms:
21 + -1x = -5x + 13

Reorder the terms:
21 + -1x = 13 + -5x

Solving
21 + -1x = 13 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
21 + -1x + 5x = 13 + -5x + 5x

Combine like terms: -1x + 5x = 4x
21 + 4x = 13 + -5x + 5x

Combine like terms: -5x + 5x = 0
21 + 4x = 13 + 0
21 + 4x = 13

Add '-21' to each side of the equation.
21 + -21 + 4x = 13 + -21

Combine like terms: 21 + -21 = 0
0 + 4x = 13 + -21
4x = 13 + -21

Combine like terms: 13 + -21 = -8
4x = -8

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

Simplifying
x = -2

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