3(b+4b)=40-15+20

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Solution for 3(b+4b)=40-15+20 equation: 


Simplifying
3(b + 4b) = 40 + -15 + 20

Combine like terms: b + 4b = 5b
3(5b) = 40 + -15 + 20

Remove parenthesis around (5b)
3 * 5b = 40 + -15 + 20

Multiply 3 * 5
15b = 40 + -15 + 20

Combine like terms: 40 + -15 = 25
15b = 25 + 20

Combine like terms: 25 + 20 = 45
15b = 45

Solving
15b = 45

Solving for variable 'b'.

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

Divide each side by '15'.
b = 3

Simplifying
b = 3

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