9+5b=2b+30

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Solution for 9+5b=2b+30 equation:


Simplifying
9 + 5b = 2b + 30

Reorder the terms:
9 + 5b = 30 + 2b

Solving
9 + 5b = 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.
9 + 5b + -2b = 30 + 2b + -2b

Combine like terms: 5b + -2b = 3b
9 + 3b = 30 + 2b + -2b

Combine like terms: 2b + -2b = 0
9 + 3b = 30 + 0
9 + 3b = 30

Add '-9' to each side of the equation.
9 + -9 + 3b = 30 + -9

Combine like terms: 9 + -9 = 0
0 + 3b = 30 + -9
3b = 30 + -9

Combine like terms: 30 + -9 = 21
3b = 21

Divide each side by '3'.
b = 7

Simplifying
b = 7

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