2b-15=-5b+20

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Solution for 2b-15=-5b+20 equation:


Simplifying
2b + -15 = -5b + 20

Reorder the terms:
-15 + 2b = -5b + 20

Reorder the terms:
-15 + 2b = 20 + -5b

Solving
-15 + 2b = 20 + -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
-15 + 2b + 5b = 20 + -5b + 5b

Combine like terms: 2b + 5b = 7b
-15 + 7b = 20 + -5b + 5b

Combine like terms: -5b + 5b = 0
-15 + 7b = 20 + 0
-15 + 7b = 20

Add '15' to each side of the equation.
-15 + 15 + 7b = 20 + 15

Combine like terms: -15 + 15 = 0
0 + 7b = 20 + 15
7b = 20 + 15

Combine like terms: 20 + 15 = 35
7b = 35

Divide each side by '7'.
b = 5

Simplifying
b = 5

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