90B+120(1-B)=100

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Solution for 90B+120(1-B)=100 equation:


Simplifying
90B + 120(1 + -1B) = 100
90B + (1 * 120 + -1B * 120) = 100
90B + (120 + -120B) = 100

Reorder the terms:
120 + 90B + -120B = 100

Combine like terms: 90B + -120B = -30B
120 + -30B = 100

Solving
120 + -30B = 100

Solving for variable 'B'.

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

Add '-120' to each side of the equation.
120 + -120 + -30B = 100 + -120

Combine like terms: 120 + -120 = 0
0 + -30B = 100 + -120
-30B = 100 + -120

Combine like terms: 100 + -120 = -20
-30B = -20

Divide each side by '-30'.
B = 0.6666666667

Simplifying
B = 0.6666666667

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