-20-8a=4a-(6a-4)

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Solution for -20-8a=4a-(6a-4) equation:


Simplifying
-20 + -8a = 4a + -1(6a + -4)

Reorder the terms:
-20 + -8a = 4a + -1(-4 + 6a)
-20 + -8a = 4a + (-4 * -1 + 6a * -1)
-20 + -8a = 4a + (4 + -6a)

Reorder the terms:
-20 + -8a = 4 + 4a + -6a

Combine like terms: 4a + -6a = -2a
-20 + -8a = 4 + -2a

Solving
-20 + -8a = 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.
-20 + -8a + 2a = 4 + -2a + 2a

Combine like terms: -8a + 2a = -6a
-20 + -6a = 4 + -2a + 2a

Combine like terms: -2a + 2a = 0
-20 + -6a = 4 + 0
-20 + -6a = 4

Add '20' to each side of the equation.
-20 + 20 + -6a = 4 + 20

Combine like terms: -20 + 20 = 0
0 + -6a = 4 + 20
-6a = 4 + 20

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

Divide each side by '-6'.
a = -4

Simplifying
a = -4

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