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

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


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

Reorder the terms:
-2(8 + 3a) = 2(a + -20)
(8 * -2 + 3a * -2) = 2(a + -20)
(-16 + -6a) = 2(a + -20)

Reorder the terms:
-16 + -6a = 2(-20 + a)
-16 + -6a = (-20 * 2 + a * 2)
-16 + -6a = (-40 + 2a)

Solving
-16 + -6a = -40 + 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.
-16 + -6a + -2a = -40 + 2a + -2a

Combine like terms: -6a + -2a = -8a
-16 + -8a = -40 + 2a + -2a

Combine like terms: 2a + -2a = 0
-16 + -8a = -40 + 0
-16 + -8a = -40

Add '16' to each side of the equation.
-16 + 16 + -8a = -40 + 16

Combine like terms: -16 + 16 = 0
0 + -8a = -40 + 16
-8a = -40 + 16

Combine like terms: -40 + 16 = -24
-8a = -24

Divide each side by '-8'.
a = 3

Simplifying
a = 3

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