18+a=7a

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Solution for 18+a=7a equation:


Simplifying
18 + a = 7a

Solving
18 + a = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
18 + a + -7a = 7a + -7a

Combine like terms: a + -7a = -6a
18 + -6a = 7a + -7a

Combine like terms: 7a + -7a = 0
18 + -6a = 0

Add '-18' to each side of the equation.
18 + -18 + -6a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -6a = 0 + -18
-6a = 0 + -18

Combine like terms: 0 + -18 = -18
-6a = -18

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

Simplifying
a = 3

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