18=8a-5a

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Solution for 18=8a-5a equation:


Simplifying
18 = 8a + -5a

Combine like terms: 8a + -5a = 3a
18 = 3a

Solving
18 = 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
18 + -3a = 3a + -3a

Combine like terms: 3a + -3a = 0
18 + -3a = 0

Add '-18' to each side of the equation.
18 + -18 + -3a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -3a = 0 + -18
-3a = 0 + -18

Combine like terms: 0 + -18 = -18
-3a = -18

Divide each side by '-3'.
a = 6

Simplifying
a = 6

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