(5x-8)+3=21

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Solution for (5x-8)+3=21 equation:


Simplifying
(5x + -8) + 3 = 21

Reorder the terms:
(-8 + 5x) + 3 = 21

Remove parenthesis around (-8 + 5x)
-8 + 5x + 3 = 21

Reorder the terms:
-8 + 3 + 5x = 21

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

Solving
-5 + 5x = 21

Solving for variable 'x'.

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

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

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

Combine like terms: 21 + 5 = 26
5x = 26

Divide each side by '5'.
x = 5.2

Simplifying
x = 5.2

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