2a-10=9a+11

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Solution for 2a-10=9a+11 equation:


Simplifying
2a + -10 = 9a + 11

Reorder the terms:
-10 + 2a = 9a + 11

Reorder the terms:
-10 + 2a = 11 + 9a

Solving
-10 + 2a = 11 + 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.
-10 + 2a + -9a = 11 + 9a + -9a

Combine like terms: 2a + -9a = -7a
-10 + -7a = 11 + 9a + -9a

Combine like terms: 9a + -9a = 0
-10 + -7a = 11 + 0
-10 + -7a = 11

Add '10' to each side of the equation.
-10 + 10 + -7a = 11 + 10

Combine like terms: -10 + 10 = 0
0 + -7a = 11 + 10
-7a = 11 + 10

Combine like terms: 11 + 10 = 21
-7a = 21

Divide each side by '-7'.
a = -3

Simplifying
a = -3

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