8a-39=-a-4(1-4a)

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Solution for 8a-39=-a-4(1-4a) equation:


Simplifying
8a + -39 = -1a + -4(1 + -4a)

Reorder the terms:
-39 + 8a = -1a + -4(1 + -4a)
-39 + 8a = -1a + (1 * -4 + -4a * -4)
-39 + 8a = -1a + (-4 + 16a)

Reorder the terms:
-39 + 8a = -4 + -1a + 16a

Combine like terms: -1a + 16a = 15a
-39 + 8a = -4 + 15a

Solving
-39 + 8a = -4 + 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
-39 + 8a + -15a = -4 + 15a + -15a

Combine like terms: 8a + -15a = -7a
-39 + -7a = -4 + 15a + -15a

Combine like terms: 15a + -15a = 0
-39 + -7a = -4 + 0
-39 + -7a = -4

Add '39' to each side of the equation.
-39 + 39 + -7a = -4 + 39

Combine like terms: -39 + 39 = 0
0 + -7a = -4 + 39
-7a = -4 + 39

Combine like terms: -4 + 39 = 35
-7a = 35

Divide each side by '-7'.
a = -5

Simplifying
a = -5

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