2b-9=-1b-(-6)

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Solution for 2b-9=-1b-(-6) equation:


Simplifying
2b + -9 = -1b + -1(-6)

Reorder the terms:
-9 + 2b = -1b + -1(-6)

Multiply -1 * -6
-9 + 2b = -1b + 6

Reorder the terms:
-9 + 2b = 6 + -1b

Solving
-9 + 2b = 6 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-9 + 2b + b = 6 + -1b + b

Combine like terms: 2b + b = 3b
-9 + 3b = 6 + -1b + b

Combine like terms: -1b + b = 0
-9 + 3b = 6 + 0
-9 + 3b = 6

Add '9' to each side of the equation.
-9 + 9 + 3b = 6 + 9

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

Combine like terms: 6 + 9 = 15
3b = 15

Divide each side by '3'.
b = 5

Simplifying
b = 5

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