42=7+5b

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Solution for 42=7+5b equation:


Simplifying
42 = 7 + 5b

Solving
42 = 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.
42 + -5b = 7 + 5b + -5b

Combine like terms: 5b + -5b = 0
42 + -5b = 7 + 0
42 + -5b = 7

Add '-42' to each side of the equation.
42 + -42 + -5b = 7 + -42

Combine like terms: 42 + -42 = 0
0 + -5b = 7 + -42
-5b = 7 + -42

Combine like terms: 7 + -42 = -35
-5b = -35

Divide each side by '-5'.
b = 7

Simplifying
b = 7

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