20+B=2B-30

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Solution for 20+B=2B-30 equation:


Simplifying
20 + B = 2B + -30

Reorder the terms:
20 + B = -30 + 2B

Solving
20 + B = -30 + 2B

Solving for variable 'B'.

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

Add '-2B' to each side of the equation.
20 + B + -2B = -30 + 2B + -2B

Combine like terms: B + -2B = -1B
20 + -1B = -30 + 2B + -2B

Combine like terms: 2B + -2B = 0
20 + -1B = -30 + 0
20 + -1B = -30

Add '-20' to each side of the equation.
20 + -20 + -1B = -30 + -20

Combine like terms: 20 + -20 = 0
0 + -1B = -30 + -20
-1B = -30 + -20

Combine like terms: -30 + -20 = -50
-1B = -50

Divide each side by '-1'.
B = 50

Simplifying
B = 50

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