=6a-7a+9b-b

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Solution for =6a-7a+9b-b equation:


Simplifying
0 = 6a + -7a + 9b + -1b

Combine like terms: 6a + -7a = -1a
0 = -1a + 9b + -1b

Combine like terms: 9b + -1b = 8b
0 = -1a + 8b

Solving
0 = -1a + 8b

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
0 + a = -1a + a + 8b
Remove the zero:
a = -1a + a + 8b

Combine like terms: -1a + a = 0
a = 0 + 8b
a = 8b

Simplifying
a = 8b

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