a-18=7a

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Solution for a-18=7a equation:


Simplifying
a + -18 = 7a

Reorder the terms:
-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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