2b+5=3b-15

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


Simplifying
2b + 5 = 3b + -15

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

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

Solving
5 + 2b = -15 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
5 + 2b + -3b = -15 + 3b + -3b

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

Combine like terms: 3b + -3b = 0
5 + -1b = -15 + 0
5 + -1b = -15

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

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

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

Divide each side by '-1'.
b = 20

Simplifying
b = 20

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