-2b+7=42+3b-5

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Solution for -2b+7=42+3b-5 equation:


Simplifying
-2b + 7 = 42 + 3b + -5

Reorder the terms:
7 + -2b = 42 + 3b + -5

Reorder the terms:
7 + -2b = 42 + -5 + 3b

Combine like terms: 42 + -5 = 37
7 + -2b = 37 + 3b

Solving
7 + -2b = 37 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
7 + -2b + -3b = 37 + 3b + -3b

Combine like terms: -2b + -3b = -5b
7 + -5b = 37 + 3b + -3b

Combine like terms: 3b + -3b = 0
7 + -5b = 37 + 0
7 + -5b = 37

Add '-7' to each side of the equation.
7 + -7 + -5b = 37 + -7

Combine like terms: 7 + -7 = 0
0 + -5b = 37 + -7
-5b = 37 + -7

Combine like terms: 37 + -7 = 30
-5b = 30

Divide each side by '-5'.
b = -6

Simplifying
b = -6

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