30-15b=105

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Solution for 30-15b=105 equation: 


Simplifying
30 + -15b = 105

Solving
30 + -15b = 105

Solving for variable 'b'.

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

Add '-30' to each side of the equation.
30 + -30 + -15b = 105 + -30

Combine like terms: 30 + -30 = 0
0 + -15b = 105 + -30
-15b = 105 + -30

Combine like terms: 105 + -30 = 75
-15b = 75

Divide each side by '-15'.
b = -5

Simplifying
b = -5

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