9a-b+7=-1

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Solution for 9a-b+7=-1 equation:


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

Reorder the terms:
7 + 9a + -1b = -1

Solving
7 + 9a + -1b = -1

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + 9a + -7 + -1b = -1 + -7

Reorder the terms:
7 + -7 + 9a + -1b = -1 + -7

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

Combine like terms: -1 + -7 = -8
9a + -1b = -8

Add 'b' to each side of the equation.
9a + -1b + b = -8 + b

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

Divide each side by '9'.
a = -0.8888888889 + 0.1111111111b

Simplifying
a = -0.8888888889 + 0.1111111111b

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