-5x-21=-8x+8

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Solution for -5x-21=-8x+8 equation:


Simplifying
-5x + -21 = -8x + 8

Reorder the terms:
-21 + -5x = -8x + 8

Reorder the terms:
-21 + -5x = 8 + -8x

Solving
-21 + -5x = 8 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-21 + -5x + 8x = 8 + -8x + 8x

Combine like terms: -5x + 8x = 3x
-21 + 3x = 8 + -8x + 8x

Combine like terms: -8x + 8x = 0
-21 + 3x = 8 + 0
-21 + 3x = 8

Add '21' to each side of the equation.
-21 + 21 + 3x = 8 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 8 + 21
3x = 8 + 21

Combine like terms: 8 + 21 = 29
3x = 29

Divide each side by '3'.
x = 9.666666667

Simplifying
x = 9.666666667

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