(8a-7b+9)-(-5a+2b-5)=

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Solution for (8a-7b+9)-(-5a+2b-5)= equation:


Simplifying
(8a + -7b + 9) + -1(-5a + 2b + -5) = 0

Reorder the terms:
(9 + 8a + -7b) + -1(-5a + 2b + -5) = 0

Remove parenthesis around (9 + 8a + -7b)
9 + 8a + -7b + -1(-5a + 2b + -5) = 0

Reorder the terms:
9 + 8a + -7b + -1(-5 + -5a + 2b) = 0
9 + 8a + -7b + (-5 * -1 + -5a * -1 + 2b * -1) = 0
9 + 8a + -7b + (5 + 5a + -2b) = 0

Reorder the terms:
9 + 5 + 8a + 5a + -7b + -2b = 0

Combine like terms: 9 + 5 = 14
14 + 8a + 5a + -7b + -2b = 0

Combine like terms: 8a + 5a = 13a
14 + 13a + -7b + -2b = 0

Combine like terms: -7b + -2b = -9b
14 + 13a + -9b = 0

Solving
14 + 13a + -9b = 0

Solving for variable 'a'.

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

Add '-14' to each side of the equation.
14 + 13a + -14 + -9b = 0 + -14

Reorder the terms:
14 + -14 + 13a + -9b = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 13a + -9b = 0 + -14
13a + -9b = 0 + -14

Combine like terms: 0 + -14 = -14
13a + -9b = -14

Add '9b' to each side of the equation.
13a + -9b + 9b = -14 + 9b

Combine like terms: -9b + 9b = 0
13a + 0 = -14 + 9b
13a = -14 + 9b

Divide each side by '13'.
a = -1.076923077 + 0.6923076923b

Simplifying
a = -1.076923077 + 0.6923076923b

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