(7a-6b+9)-(2a+3b-8)=

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Solution for (7a-6b+9)-(2a+3b-8)= equation:


Simplifying
(7a + -6b + 9) + -1(2a + 3b + -8) = 0

Reorder the terms:
(9 + 7a + -6b) + -1(2a + 3b + -8) = 0

Remove parenthesis around (9 + 7a + -6b)
9 + 7a + -6b + -1(2a + 3b + -8) = 0

Reorder the terms:
9 + 7a + -6b + -1(-8 + 2a + 3b) = 0
9 + 7a + -6b + (-8 * -1 + 2a * -1 + 3b * -1) = 0
9 + 7a + -6b + (8 + -2a + -3b) = 0

Reorder the terms:
9 + 8 + 7a + -2a + -6b + -3b = 0

Combine like terms: 9 + 8 = 17
17 + 7a + -2a + -6b + -3b = 0

Combine like terms: 7a + -2a = 5a
17 + 5a + -6b + -3b = 0

Combine like terms: -6b + -3b = -9b
17 + 5a + -9b = 0

Solving
17 + 5a + -9b = 0

Solving for variable 'a'.

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

Add '-17' to each side of the equation.
17 + 5a + -17 + -9b = 0 + -17

Reorder the terms:
17 + -17 + 5a + -9b = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 5a + -9b = 0 + -17
5a + -9b = 0 + -17

Combine like terms: 0 + -17 = -17
5a + -9b = -17

Add '9b' to each side of the equation.
5a + -9b + 9b = -17 + 9b

Combine like terms: -9b + 9b = 0
5a + 0 = -17 + 9b
5a = -17 + 9b

Divide each side by '5'.
a = -3.4 + 1.8b

Simplifying
a = -3.4 + 1.8b

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