100+80b=250+70b

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Solution for 100+80b=250+70b equation:


Simplifying
100 + 80b = 250 + 70b

Solving
100 + 80b = 250 + 70b

Solving for variable 'b'.

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

Add '-70b' to each side of the equation.
100 + 80b + -70b = 250 + 70b + -70b

Combine like terms: 80b + -70b = 10b
100 + 10b = 250 + 70b + -70b

Combine like terms: 70b + -70b = 0
100 + 10b = 250 + 0
100 + 10b = 250

Add '-100' to each side of the equation.
100 + -100 + 10b = 250 + -100

Combine like terms: 100 + -100 = 0
0 + 10b = 250 + -100
10b = 250 + -100

Combine like terms: 250 + -100 = 150
10b = 150

Divide each side by '10'.
b = 15

Simplifying
b = 15

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