5b+9-b=7

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Solution for 5b+9-b=7 equation: 


Simplifying
5b + 9 + -1b = 7

Reorder the terms:
9 + 5b + -1b = 7

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

Solving
9 + 4b = 7

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + 4b = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 4b = 7 + -9
4b = 7 + -9

Combine like terms: 7 + -9 = -2
4b = -2

Divide each side by '4'.
b = -0.5

Simplifying
b = -0.5

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