-8a-(8a-4)=-2(4+5a)

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Solution for -8a-(8a-4)=-2(4+5a) equation:


Simplifying
-8a + -1(8a + -4) = -2(4 + 5a)

Reorder the terms:
-8a + -1(-4 + 8a) = -2(4 + 5a)
-8a + (-4 * -1 + 8a * -1) = -2(4 + 5a)
-8a + (4 + -8a) = -2(4 + 5a)

Reorder the terms:
4 + -8a + -8a = -2(4 + 5a)

Combine like terms: -8a + -8a = -16a
4 + -16a = -2(4 + 5a)
4 + -16a = (4 * -2 + 5a * -2)
4 + -16a = (-8 + -10a)

Solving
4 + -16a = -8 + -10a

Solving for variable 'a'.

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

Add '10a' to each side of the equation.
4 + -16a + 10a = -8 + -10a + 10a

Combine like terms: -16a + 10a = -6a
4 + -6a = -8 + -10a + 10a

Combine like terms: -10a + 10a = 0
4 + -6a = -8 + 0
4 + -6a = -8

Add '-4' to each side of the equation.
4 + -4 + -6a = -8 + -4

Combine like terms: 4 + -4 = 0
0 + -6a = -8 + -4
-6a = -8 + -4

Combine like terms: -8 + -4 = -12
-6a = -12

Divide each side by '-6'.
a = 2

Simplifying
a = 2

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