-9a-(-9b+7)+(11a+5)=

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Solution for -9a-(-9b+7)+(11a+5)= equation:


Simplifying
-9a + -1(-9b + 7) + (11a + 5) = 0

Reorder the terms:
-9a + -1(7 + -9b) + (11a + 5) = 0
-9a + (7 * -1 + -9b * -1) + (11a + 5) = 0
-9a + (-7 + 9b) + (11a + 5) = 0

Reorder the terms:
-9a + -7 + 9b + (5 + 11a) = 0

Remove parenthesis around (5 + 11a)
-9a + -7 + 9b + 5 + 11a = 0

Reorder the terms:
-7 + 5 + -9a + 11a + 9b = 0

Combine like terms: -7 + 5 = -2
-2 + -9a + 11a + 9b = 0

Combine like terms: -9a + 11a = 2a
-2 + 2a + 9b = 0

Solving
-2 + 2a + 9b = 0

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2a + 2 + 9b = 0 + 2

Reorder the terms:
-2 + 2 + 2a + 9b = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 2a + 9b = 0 + 2
2a + 9b = 0 + 2

Combine like terms: 0 + 2 = 2
2a + 9b = 2

Add '-9b' to each side of the equation.
2a + 9b + -9b = 2 + -9b

Combine like terms: 9b + -9b = 0
2a + 0 = 2 + -9b
2a = 2 + -9b

Divide each side by '2'.
a = 1 + -4.5b

Simplifying
a = 1 + -4.5b

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