4(3a+1)+2(a-3)=20

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Solution for 4(3a+1)+2(a-3)=20 equation:


Simplifying
4(3a + 1) + 2(a + -3) = 20

Reorder the terms:
4(1 + 3a) + 2(a + -3) = 20
(1 * 4 + 3a * 4) + 2(a + -3) = 20
(4 + 12a) + 2(a + -3) = 20

Reorder the terms:
4 + 12a + 2(-3 + a) = 20
4 + 12a + (-3 * 2 + a * 2) = 20
4 + 12a + (-6 + 2a) = 20

Reorder the terms:
4 + -6 + 12a + 2a = 20

Combine like terms: 4 + -6 = -2
-2 + 12a + 2a = 20

Combine like terms: 12a + 2a = 14a
-2 + 14a = 20

Solving
-2 + 14a = 20

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 14a = 20 + 2

Combine like terms: -2 + 2 = 0
0 + 14a = 20 + 2
14a = 20 + 2

Combine like terms: 20 + 2 = 22
14a = 22

Divide each side by '14'.
a = 1.571428571

Simplifying
a = 1.571428571

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