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

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Solution for -4(a-1)=8(a+2) equation:


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

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

Reorder the terms:
4 + -4a = 8(2 + a)
4 + -4a = (2 * 8 + a * 8)
4 + -4a = (16 + 8a)

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

Combine like terms: -4a + -8a = -12a
4 + -12a = 16 + 8a + -8a

Combine like terms: 8a + -8a = 0
4 + -12a = 16 + 0
4 + -12a = 16

Add '-4' to each side of the equation.
4 + -4 + -12a = 16 + -4

Combine like terms: 4 + -4 = 0
0 + -12a = 16 + -4
-12a = 16 + -4

Combine like terms: 16 + -4 = 12
-12a = 12

Divide each side by '-12'.
a = -1

Simplifying
a = -1

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