4-39(2a+8)=-20-8a

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Solution for 4-39(2a+8)=-20-8a equation:


Simplifying
4 + -39(2a + 8) = -20 + -8a

Reorder the terms:
4 + -39(8 + 2a) = -20 + -8a
4 + (8 * -39 + 2a * -39) = -20 + -8a
4 + (-312 + -78a) = -20 + -8a

Combine like terms: 4 + -312 = -308
-308 + -78a = -20 + -8a

Solving
-308 + -78a = -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.
-308 + -78a + 8a = -20 + -8a + 8a

Combine like terms: -78a + 8a = -70a
-308 + -70a = -20 + -8a + 8a

Combine like terms: -8a + 8a = 0
-308 + -70a = -20 + 0
-308 + -70a = -20

Add '308' to each side of the equation.
-308 + 308 + -70a = -20 + 308

Combine like terms: -308 + 308 = 0
0 + -70a = -20 + 308
-70a = -20 + 308

Combine like terms: -20 + 308 = 288
-70a = 288

Divide each side by '-70'.
a = -4.114285714

Simplifying
a = -4.114285714

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