3(4a-5)+4(2a+3)=

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Solution for 3(4a-5)+4(2a+3)= equation:


Simplifying
3(4a + -5) + 4(2a + 3) = 0

Reorder the terms:
3(-5 + 4a) + 4(2a + 3) = 0
(-5 * 3 + 4a * 3) + 4(2a + 3) = 0
(-15 + 12a) + 4(2a + 3) = 0

Reorder the terms:
-15 + 12a + 4(3 + 2a) = 0
-15 + 12a + (3 * 4 + 2a * 4) = 0
-15 + 12a + (12 + 8a) = 0

Reorder the terms:
-15 + 12 + 12a + 8a = 0

Combine like terms: -15 + 12 = -3
-3 + 12a + 8a = 0

Combine like terms: 12a + 8a = 20a
-3 + 20a = 0

Solving
-3 + 20a = 0

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 20a = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 20a = 0 + 3
20a = 0 + 3

Combine like terms: 0 + 3 = 3
20a = 3

Divide each side by '20'.
a = 0.15

Simplifying
a = 0.15

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