15b+15-10b=30

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Solution for 15b+15-10b=30 equation:


Simplifying
15b + 15 + -10b = 30

Reorder the terms:
15 + 15b + -10b = 30

Combine like terms: 15b + -10b = 5b
15 + 5b = 30

Solving
15 + 5b = 30

Solving for variable 'b'.

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

Add '-15' to each side of the equation.
15 + -15 + 5b = 30 + -15

Combine like terms: 15 + -15 = 0
0 + 5b = 30 + -15
5b = 30 + -15

Combine like terms: 30 + -15 = 15
5b = 15

Divide each side by '5'.
b = 3

Simplifying
b = 3

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