11a+7-a=11-4a-18

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Solution for 11a+7-a=11-4a-18 equation:


Simplifying
11a + 7 + -1a = 11 + -4a + -18

Reorder the terms:
7 + 11a + -1a = 11 + -4a + -18

Combine like terms: 11a + -1a = 10a
7 + 10a = 11 + -4a + -18

Reorder the terms:
7 + 10a = 11 + -18 + -4a

Combine like terms: 11 + -18 = -7
7 + 10a = -7 + -4a

Solving
7 + 10a = -7 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
7 + 10a + 4a = -7 + -4a + 4a

Combine like terms: 10a + 4a = 14a
7 + 14a = -7 + -4a + 4a

Combine like terms: -4a + 4a = 0
7 + 14a = -7 + 0
7 + 14a = -7

Add '-7' to each side of the equation.
7 + -7 + 14a = -7 + -7

Combine like terms: 7 + -7 = 0
0 + 14a = -7 + -7
14a = -7 + -7

Combine like terms: -7 + -7 = -14
14a = -14

Divide each side by '14'.
a = -1

Simplifying
a = -1

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