42=18+b+17

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Solution for 42=18+b+17 equation:


Simplifying
42 = 18 + b + 17

Reorder the terms:
42 = 18 + 17 + b

Combine like terms: 18 + 17 = 35
42 = 35 + b

Solving
42 = 35 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
42 + -1b = 35 + b + -1b

Combine like terms: b + -1b = 0
42 + -1b = 35 + 0
42 + -1b = 35

Add '-42' to each side of the equation.
42 + -42 + -1b = 35 + -42

Combine like terms: 42 + -42 = 0
0 + -1b = 35 + -42
-1b = 35 + -42

Combine like terms: 35 + -42 = -7
-1b = -7

Divide each side by '-1'.
b = 7

Simplifying
b = 7

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