-2(a+1)=2(a-3)

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Solution for -2(a+1)=2(a-3) equation:


Simplifying
-2(a + 1) = 2(a + -3)

Reorder the terms:
-2(1 + a) = 2(a + -3)
(1 * -2 + a * -2) = 2(a + -3)
(-2 + -2a) = 2(a + -3)

Reorder the terms:
-2 + -2a = 2(-3 + a)
-2 + -2a = (-3 * 2 + a * 2)
-2 + -2a = (-6 + 2a)

Solving
-2 + -2a = -6 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-2 + -2a + -2a = -6 + 2a + -2a

Combine like terms: -2a + -2a = -4a
-2 + -4a = -6 + 2a + -2a

Combine like terms: 2a + -2a = 0
-2 + -4a = -6 + 0
-2 + -4a = -6

Add '2' to each side of the equation.
-2 + 2 + -4a = -6 + 2

Combine like terms: -2 + 2 = 0
0 + -4a = -6 + 2
-4a = -6 + 2

Combine like terms: -6 + 2 = -4
-4a = -4

Divide each side by '-4'.
a = 1

Simplifying
a = 1

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