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

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


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

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

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

Solving
-2 + 5b = -7

Solving for variable 'b'.

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

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

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

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

Divide each side by '5'.
b = -1

Simplifying
b = -1

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