3b-15=b+5

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Solution for 3b-15=b+5 equation:


Simplifying
3b + -15 = b + 5

Reorder the terms:
-15 + 3b = b + 5

Reorder the terms:
-15 + 3b = 5 + b

Solving
-15 + 3b = 5 + 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.
-15 + 3b + -1b = 5 + b + -1b

Combine like terms: 3b + -1b = 2b
-15 + 2b = 5 + b + -1b

Combine like terms: b + -1b = 0
-15 + 2b = 5 + 0
-15 + 2b = 5

Add '15' to each side of the equation.
-15 + 15 + 2b = 5 + 15

Combine like terms: -15 + 15 = 0
0 + 2b = 5 + 15
2b = 5 + 15

Combine like terms: 5 + 15 = 20
2b = 20

Divide each side by '2'.
b = 10

Simplifying
b = 10

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