7a-11=6a+9

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Solution for 7a-11=6a+9 equation:


Simplifying
7a + -11 = 6a + 9

Reorder the terms:
-11 + 7a = 6a + 9

Reorder the terms:
-11 + 7a = 9 + 6a

Solving
-11 + 7a = 9 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
-11 + 7a + -6a = 9 + 6a + -6a

Combine like terms: 7a + -6a = 1a
-11 + 1a = 9 + 6a + -6a

Combine like terms: 6a + -6a = 0
-11 + 1a = 9 + 0
-11 + 1a = 9

Add '11' to each side of the equation.
-11 + 11 + 1a = 9 + 11

Combine like terms: -11 + 11 = 0
0 + 1a = 9 + 11
1a = 9 + 11

Combine like terms: 9 + 11 = 20
1a = 20

Divide each side by '1'.
a = 20

Simplifying
a = 20

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