11=18+7a

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Solution for 11=18+7a equation:


Simplifying
11 = 18 + 7a

Solving
11 = 18 + 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.
11 + -7a = 18 + 7a + -7a

Combine like terms: 7a + -7a = 0
11 + -7a = 18 + 0
11 + -7a = 18

Add '-11' to each side of the equation.
11 + -11 + -7a = 18 + -11

Combine like terms: 11 + -11 = 0
0 + -7a = 18 + -11
-7a = 18 + -11

Combine like terms: 18 + -11 = 7
-7a = 7

Divide each side by '-7'.
a = -1

Simplifying
a = -1

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