10b+30=12b-20

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Solution for 10b+30=12b-20 equation:


Simplifying
10b + 30 = 12b + -20

Reorder the terms:
30 + 10b = 12b + -20

Reorder the terms:
30 + 10b = -20 + 12b

Solving
30 + 10b = -20 + 12b

Solving for variable 'b'.

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

Add '-12b' to each side of the equation.
30 + 10b + -12b = -20 + 12b + -12b

Combine like terms: 10b + -12b = -2b
30 + -2b = -20 + 12b + -12b

Combine like terms: 12b + -12b = 0
30 + -2b = -20 + 0
30 + -2b = -20

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

Combine like terms: 30 + -30 = 0
0 + -2b = -20 + -30
-2b = -20 + -30

Combine like terms: -20 + -30 = -50
-2b = -50

Divide each side by '-2'.
b = 25

Simplifying
b = 25

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