b+10=2b-20

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Solution for b+10=2b-20 equation:


Simplifying
b + 10 = 2b + -20

Reorder the terms:
10 + b = 2b + -20

Reorder the terms:
10 + b = -20 + 2b

Solving
10 + b = -20 + 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.
10 + b + -2b = -20 + 2b + -2b

Combine like terms: b + -2b = -1b
10 + -1b = -20 + 2b + -2b

Combine like terms: 2b + -2b = 0
10 + -1b = -20 + 0
10 + -1b = -20

Add '-10' to each side of the equation.
10 + -10 + -1b = -20 + -10

Combine like terms: 10 + -10 = 0
0 + -1b = -20 + -10
-1b = -20 + -10

Combine like terms: -20 + -10 = -30
-1b = -30

Divide each side by '-1'.
b = 30

Simplifying
b = 30

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