(5x+8)+8=21

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


Simplifying
(5x + 8) + 8 = 21

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

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

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

Combine like terms: 8 + 8 = 16
16 + 5x = 21

Solving
16 + 5x = 21

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 5x = 21 + -16

Combine like terms: 16 + -16 = 0
0 + 5x = 21 + -16
5x = 21 + -16

Combine like terms: 21 + -16 = 5
5x = 5

Divide each side by '5'.
x = 1

Simplifying
x = 1

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