11=7a-7+2a

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Solution for 11=7a-7+2a equation:


Simplifying
11 = 7a + -7 + 2a

Reorder the terms:
11 = -7 + 7a + 2a

Combine like terms: 7a + 2a = 9a
11 = -7 + 9a

Solving
11 = -7 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
11 + -9a = -7 + 9a + -9a

Combine like terms: 9a + -9a = 0
11 + -9a = -7 + 0
11 + -9a = -7

Add '-11' to each side of the equation.
11 + -11 + -9a = -7 + -11

Combine like terms: 11 + -11 = 0
0 + -9a = -7 + -11
-9a = -7 + -11

Combine like terms: -7 + -11 = -18
-9a = -18

Divide each side by '-9'.
a = 2

Simplifying
a = 2

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