4-3(2a+8)=20-8a

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Solution for 4-3(2a+8)=20-8a equation:


Simplifying
4 + -3(2a + 8) = 20 + -8a

Reorder the terms:
4 + -3(8 + 2a) = 20 + -8a
4 + (8 * -3 + 2a * -3) = 20 + -8a
4 + (-24 + -6a) = 20 + -8a

Combine like terms: 4 + -24 = -20
-20 + -6a = 20 + -8a

Solving
-20 + -6a = 20 + -8a

Solving for variable 'a'.

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

Add '8a' to each side of the equation.
-20 + -6a + 8a = 20 + -8a + 8a

Combine like terms: -6a + 8a = 2a
-20 + 2a = 20 + -8a + 8a

Combine like terms: -8a + 8a = 0
-20 + 2a = 20 + 0
-20 + 2a = 20

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

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

Combine like terms: 20 + 20 = 40
2a = 40

Divide each side by '2'.
a = 20

Simplifying
a = 20

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