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

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


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

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

Combine like terms: 2 + -4 = -2
-2 + -4a = 8 + a

Solving
-2 + -4a = 8 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-2 + -4a + -1a = 8 + a + -1a

Combine like terms: -4a + -1a = -5a
-2 + -5a = 8 + a + -1a

Combine like terms: a + -1a = 0
-2 + -5a = 8 + 0
-2 + -5a = 8

Add '2' to each side of the equation.
-2 + 2 + -5a = 8 + 2

Combine like terms: -2 + 2 = 0
0 + -5a = 8 + 2
-5a = 8 + 2

Combine like terms: 8 + 2 = 10
-5a = 10

Divide each side by '-5'.
a = -2

Simplifying
a = -2

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