-21-4x=-5x+8

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Solution for -21-4x=-5x+8 equation:


Simplifying
-21 + -4x = -5x + 8

Reorder the terms:
-21 + -4x = 8 + -5x

Solving
-21 + -4x = 8 + -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 + -4x + 5x = 8 + -5x + 5x

Combine like terms: -4x + 5x = 1x
-21 + 1x = 8 + -5x + 5x

Combine like terms: -5x + 5x = 0
-21 + 1x = 8 + 0
-21 + 1x = 8

Add '21' to each side of the equation.
-21 + 21 + 1x = 8 + 21

Combine like terms: -21 + 21 = 0
0 + 1x = 8 + 21
1x = 8 + 21

Combine like terms: 8 + 21 = 29
1x = 29

Divide each side by '1'.
x = 29

Simplifying
x = 29

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