2(b-1)+3(-1)=-7

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Solution for 2(b-1)+3(-1)=-7 equation: 


Simplifying
2(b + -1) + 3(-1) = -7

Reorder the terms:
2(-1 + b) + 3(-1) = -7
(-1 * 2 + b * 2) + 3(-1) = -7
(-2 + 2b) + 3(-1) = -7

Multiply 3 * -1
-2 + 2b + -3 = -7

Reorder the terms:
-2 + -3 + 2b = -7

Combine like terms: -2 + -3 = -5
-5 + 2b = -7

Solving
-5 + 2b = -7

Solving for variable 'b'.

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

Add '5' to each side of the equation.
-5 + 5 + 2b = -7 + 5

Combine like terms: -5 + 5 = 0
0 + 2b = -7 + 5
2b = -7 + 5

Combine like terms: -7 + 5 = -2
2b = -2

Divide each side by '2'.
b = -1

Simplifying
b = -1

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