9-b-4=-3b+7

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Solution for 9-b-4=-3b+7 equation:


Simplifying
9 + -1b + -4 = -3b + 7

Reorder the terms:
9 + -4 + -1b = -3b + 7

Combine like terms: 9 + -4 = 5
5 + -1b = -3b + 7

Reorder the terms:
5 + -1b = 7 + -3b

Solving
5 + -1b = 7 + -3b

Solving for variable 'b'.

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

Add '3b' to each side of the equation.
5 + -1b + 3b = 7 + -3b + 3b

Combine like terms: -1b + 3b = 2b
5 + 2b = 7 + -3b + 3b

Combine like terms: -3b + 3b = 0
5 + 2b = 7 + 0
5 + 2b = 7

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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