3b-1=2b+4-7

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Solution for 3b-1=2b+4-7 equation:


Simplifying
3b + -1 = 2b + 4 + -7

Reorder the terms:
-1 + 3b = 2b + 4 + -7

Reorder the terms:
-1 + 3b = 4 + -7 + 2b

Combine like terms: 4 + -7 = -3
-1 + 3b = -3 + 2b

Solving
-1 + 3b = -3 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
-1 + 3b + -2b = -3 + 2b + -2b

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

Combine like terms: 2b + -2b = 0
-1 + 1b = -3 + 0
-1 + 1b = -3

Add '1' to each side of the equation.
-1 + 1 + 1b = -3 + 1

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

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

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

Simplifying
b = -2

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