5(x-21)=8x

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Solution for 5(x-21)=8x equation:


Simplifying
5(x + -21) = 8x

Reorder the terms:
5(-21 + x) = 8x
(-21 * 5 + x * 5) = 8x
(-105 + 5x) = 8x

Solving
-105 + 5x = 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.
-105 + 5x + -8x = 8x + -8x

Combine like terms: 5x + -8x = -3x
-105 + -3x = 8x + -8x

Combine like terms: 8x + -8x = 0
-105 + -3x = 0

Add '105' to each side of the equation.
-105 + 105 + -3x = 0 + 105

Combine like terms: -105 + 105 = 0
0 + -3x = 0 + 105
-3x = 0 + 105

Combine like terms: 0 + 105 = 105
-3x = 105

Divide each side by '-3'.
x = -35

Simplifying
x = -35

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