-4(1-7a)+5=-8a-39

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Solution for -4(1-7a)+5=-8a-39 equation:


Simplifying
-4(1 + -7a) + 5 = -8a + -39
(1 * -4 + -7a * -4) + 5 = -8a + -39
(-4 + 28a) + 5 = -8a + -39

Reorder the terms:
-4 + 5 + 28a = -8a + -39

Combine like terms: -4 + 5 = 1
1 + 28a = -8a + -39

Reorder the terms:
1 + 28a = -39 + -8a

Solving
1 + 28a = -39 + -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.
1 + 28a + 8a = -39 + -8a + 8a

Combine like terms: 28a + 8a = 36a
1 + 36a = -39 + -8a + 8a

Combine like terms: -8a + 8a = 0
1 + 36a = -39 + 0
1 + 36a = -39

Add '-1' to each side of the equation.
1 + -1 + 36a = -39 + -1

Combine like terms: 1 + -1 = 0
0 + 36a = -39 + -1
36a = -39 + -1

Combine like terms: -39 + -1 = -40
36a = -40

Divide each side by '36'.
a = -1.111111111

Simplifying
a = -1.111111111

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