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

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


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

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

Solving
-2 + -2a = -3 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-2 + -2a + a = -3 + -1a + a

Combine like terms: -2a + a = -1a
-2 + -1a = -3 + -1a + a

Combine like terms: -1a + a = 0
-2 + -1a = -3 + 0
-2 + -1a = -3

Add '2' to each side of the equation.
-2 + 2 + -1a = -3 + 2

Combine like terms: -2 + 2 = 0
0 + -1a = -3 + 2
-1a = -3 + 2

Combine like terms: -3 + 2 = -1
-1a = -1

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

Simplifying
a = 1

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