4-5b+7b=16

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Solution for 4-5b+7b=16 equation: 


Simplifying
4 + -5b + 7b = 16

Combine like terms: -5b + 7b = 2b
4 + 2b = 16

Solving
4 + 2b = 16

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + 2b = 16 + -4

Combine like terms: 4 + -4 = 0
0 + 2b = 16 + -4
2b = 16 + -4

Combine like terms: 16 + -4 = 12
2b = 12

Divide each side by '2'.
b = 6

Simplifying
b = 6

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