45=7+5b

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Solution for 45=7+5b equation:


Simplifying
45 = 7 + 5b

Solving
45 = 7 + 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
45 + -5b = 7 + 5b + -5b

Combine like terms: 5b + -5b = 0
45 + -5b = 7 + 0
45 + -5b = 7

Add '-45' to each side of the equation.
45 + -45 + -5b = 7 + -45

Combine like terms: 45 + -45 = 0
0 + -5b = 7 + -45
-5b = 7 + -45

Combine like terms: 7 + -45 = -38
-5b = -38

Divide each side by '-5'.
b = 7.6

Simplifying
b = 7.6

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