9a+5(a-1)=10a+11

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Solution for 9a+5(a-1)=10a+11 equation:


Simplifying
9a + 5(a + -1) = 10a + 11

Reorder the terms:
9a + 5(-1 + a) = 10a + 11
9a + (-1 * 5 + a * 5) = 10a + 11
9a + (-5 + 5a) = 10a + 11

Reorder the terms:
-5 + 9a + 5a = 10a + 11

Combine like terms: 9a + 5a = 14a
-5 + 14a = 10a + 11

Reorder the terms:
-5 + 14a = 11 + 10a

Solving
-5 + 14a = 11 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
-5 + 14a + -10a = 11 + 10a + -10a

Combine like terms: 14a + -10a = 4a
-5 + 4a = 11 + 10a + -10a

Combine like terms: 10a + -10a = 0
-5 + 4a = 11 + 0
-5 + 4a = 11

Add '5' to each side of the equation.
-5 + 5 + 4a = 11 + 5

Combine like terms: -5 + 5 = 0
0 + 4a = 11 + 5
4a = 11 + 5

Combine like terms: 11 + 5 = 16
4a = 16

Divide each side by '4'.
a = 4

Simplifying
a = 4

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