9a-1=-6a-31

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Solution for 9a-1=-6a-31 equation:


Simplifying
9a + -1 = -6a + -31

Reorder the terms:
-1 + 9a = -6a + -31

Reorder the terms:
-1 + 9a = -31 + -6a

Solving
-1 + 9a = -31 + -6a

Solving for variable 'a'.

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

Add '6a' to each side of the equation.
-1 + 9a + 6a = -31 + -6a + 6a

Combine like terms: 9a + 6a = 15a
-1 + 15a = -31 + -6a + 6a

Combine like terms: -6a + 6a = 0
-1 + 15a = -31 + 0
-1 + 15a = -31

Add '1' to each side of the equation.
-1 + 1 + 15a = -31 + 1

Combine like terms: -1 + 1 = 0
0 + 15a = -31 + 1
15a = -31 + 1

Combine like terms: -31 + 1 = -30
15a = -30

Divide each side by '15'.
a = -2

Simplifying
a = -2

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