2(a-2)=-a-1

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


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

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

Reorder the terms:
-4 + 2a = -1 + -1a

Solving
-4 + 2a = -1 + -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.
-4 + 2a + a = -1 + -1a + a

Combine like terms: 2a + a = 3a
-4 + 3a = -1 + -1a + a

Combine like terms: -1a + a = 0
-4 + 3a = -1 + 0
-4 + 3a = -1

Add '4' to each side of the equation.
-4 + 4 + 3a = -1 + 4

Combine like terms: -4 + 4 = 0
0 + 3a = -1 + 4
3a = -1 + 4

Combine like terms: -1 + 4 = 3
3a = 3

Divide each side by '3'.
a = 1

Simplifying
a = 1

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