4b-30=b-3

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Solution for 4b-30=b-3 equation:


Simplifying
4b + -30 = b + -3

Reorder the terms:
-30 + 4b = b + -3

Reorder the terms:
-30 + 4b = -3 + b

Solving
-30 + 4b = -3 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-30 + 4b + -1b = -3 + b + -1b

Combine like terms: 4b + -1b = 3b
-30 + 3b = -3 + b + -1b

Combine like terms: b + -1b = 0
-30 + 3b = -3 + 0
-30 + 3b = -3

Add '30' to each side of the equation.
-30 + 30 + 3b = -3 + 30

Combine like terms: -30 + 30 = 0
0 + 3b = -3 + 30
3b = -3 + 30

Combine like terms: -3 + 30 = 27
3b = 27

Divide each side by '3'.
b = 9

Simplifying
b = 9

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