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

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


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

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

Remove parenthesis around (2 + 3a)
2 + 3a + -1(a + 1) = a + (2a + 3)

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

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

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

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

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

Remove parenthesis around (3 + 2a)
1 + 2a = a + 3 + 2a

Reorder the terms:
1 + 2a = 3 + a + 2a

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

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

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

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

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

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

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

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

Simplifying
a = -2

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