4a+5b+9-2a+8b+6=

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Solution for 4a+5b+9-2a+8b+6= equation:


Simplifying
4a + 5b + 9 + -2a + 8b + 6 = 0

Reorder the terms:
9 + 6 + 4a + -2a + 5b + 8b = 0

Combine like terms: 9 + 6 = 15
15 + 4a + -2a + 5b + 8b = 0

Combine like terms: 4a + -2a = 2a
15 + 2a + 5b + 8b = 0

Combine like terms: 5b + 8b = 13b
15 + 2a + 13b = 0

Solving
15 + 2a + 13b = 0

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + 2a + -15 + 13b = 0 + -15

Reorder the terms:
15 + -15 + 2a + 13b = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 2a + 13b = 0 + -15
2a + 13b = 0 + -15

Combine like terms: 0 + -15 = -15
2a + 13b = -15

Add '-13b' to each side of the equation.
2a + 13b + -13b = -15 + -13b

Combine like terms: 13b + -13b = 0
2a + 0 = -15 + -13b
2a = -15 + -13b

Divide each side by '2'.
a = -7.5 + -6.5b

Simplifying
a = -7.5 + -6.5b

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