-40=7b+30

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Solution for -40=7b+30 equation:


Simplifying
-40 = 7b + 30

Reorder the terms:
-40 = 30 + 7b

Solving
-40 = 30 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-40 + -7b = 30 + 7b + -7b

Combine like terms: 7b + -7b = 0
-40 + -7b = 30 + 0
-40 + -7b = 30

Add '40' to each side of the equation.
-40 + 40 + -7b = 30 + 40

Combine like terms: -40 + 40 = 0
0 + -7b = 30 + 40
-7b = 30 + 40

Combine like terms: 30 + 40 = 70
-7b = 70

Divide each side by '-7'.
b = -10

Simplifying
b = -10

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