11b+30=30b-84

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Solution for 11b+30=30b-84 equation:


Simplifying
11b + 30 = 30b + -84

Reorder the terms:
30 + 11b = 30b + -84

Reorder the terms:
30 + 11b = -84 + 30b

Solving
30 + 11b = -84 + 30b

Solving for variable 'b'.

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

Add '-30b' to each side of the equation.
30 + 11b + -30b = -84 + 30b + -30b

Combine like terms: 11b + -30b = -19b
30 + -19b = -84 + 30b + -30b

Combine like terms: 30b + -30b = 0
30 + -19b = -84 + 0
30 + -19b = -84

Add '-30' to each side of the equation.
30 + -30 + -19b = -84 + -30

Combine like terms: 30 + -30 = 0
0 + -19b = -84 + -30
-19b = -84 + -30

Combine like terms: -84 + -30 = -114
-19b = -114

Divide each side by '-19'.
b = 6

Simplifying
b = 6

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