3(4a+5b)=

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Solution for 3(4a+5b)= equation: 


Simplifying
3(4a + 5b) = 0
(4a * 3 + 5b * 3) = 0
(12a + 15b) = 0

Solving
12a + 15b = 0

Solving for variable 'a'.

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

Add '-15b' to each side of the equation.
12a + 15b + -15b = 0 + -15b

Combine like terms: 15b + -15b = 0
12a + 0 = 0 + -15b
12a = 0 + -15b
Remove the zero:
12a = -15b

Divide each side by '12'.
a = -1.25b

Simplifying
a = -1.25b

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