8(a+2)=21

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Solution for 8(a+2)=21 equation:


Simplifying
8(a + 2) = 21

Reorder the terms:
8(2 + a) = 21
(2 * 8 + a * 8) = 21
(16 + 8a) = 21

Solving
16 + 8a = 21

Solving for variable 'a'.

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

Add '-16' to each side of the equation.
16 + -16 + 8a = 21 + -16

Combine like terms: 16 + -16 = 0
0 + 8a = 21 + -16
8a = 21 + -16

Combine like terms: 21 + -16 = 5
8a = 5

Divide each side by '8'.
a = 0.625

Simplifying
a = 0.625

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