3b-15=2b+5

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Solution for 3b-15=2b+5 equation:


Simplifying
3b + -15 = 2b + 5

Reorder the terms:
-15 + 3b = 2b + 5

Reorder the terms:
-15 + 3b = 5 + 2b

Solving
-15 + 3b = 5 + 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.
-15 + 3b + -2b = 5 + 2b + -2b

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

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

Add '15' to each side of the equation.
-15 + 15 + 1b = 5 + 15

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

Combine like terms: 5 + 15 = 20
1b = 20

Divide each side by '1'.
b = 20

Simplifying
b = 20

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