3(4a+20)=2(a-2)

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Solution for 3(4a+20)=2(a-2) equation: 


Simplifying
3(4a + 20) = 2(a + -2)

Reorder the terms:
3(20 + 4a) = 2(a + -2)
(20 * 3 + 4a * 3) = 2(a + -2)
(60 + 12a) = 2(a + -2)

Reorder the terms:
60 + 12a = 2(-2 + a)
60 + 12a = (-2 * 2 + a * 2)
60 + 12a = (-4 + 2a)

Solving
60 + 12a = -4 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
60 + 12a + -2a = -4 + 2a + -2a

Combine like terms: 12a + -2a = 10a
60 + 10a = -4 + 2a + -2a

Combine like terms: 2a + -2a = 0
60 + 10a = -4 + 0
60 + 10a = -4

Add '-60' to each side of the equation.
60 + -60 + 10a = -4 + -60

Combine like terms: 60 + -60 = 0
0 + 10a = -4 + -60
10a = -4 + -60

Combine like terms: -4 + -60 = -64
10a = -64

Divide each side by '10'.
a = -6.4

Simplifying
a = -6.4

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