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

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


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

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

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

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

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

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

Solving for variable 'a'.

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

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

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

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

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

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

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

Divide each side by '2'.
a = -1

Simplifying
a = -1

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