a+(a+1)+(a+2)=2(a+1)+12

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Solution for a+(a+1)+(a+2)=2(a+1)+12 equation:


Simplifying
a + (a + 1) + (a + 2) = 2(a + 1) + 12

Reorder the terms:
a + (1 + a) + (a + 2) = 2(a + 1) + 12

Remove parenthesis around (1 + a)
a + 1 + a + (a + 2) = 2(a + 1) + 12

Reorder the terms:
a + 1 + a + (2 + a) = 2(a + 1) + 12

Remove parenthesis around (2 + a)
a + 1 + a + 2 + a = 2(a + 1) + 12

Reorder the terms:
1 + 2 + a + a + a = 2(a + 1) + 12

Combine like terms: 1 + 2 = 3
3 + a + a + a = 2(a + 1) + 12

Combine like terms: a + a = 2a
3 + 2a + a = 2(a + 1) + 12

Combine like terms: 2a + a = 3a
3 + 3a = 2(a + 1) + 12

Reorder the terms:
3 + 3a = 2(1 + a) + 12
3 + 3a = (1 * 2 + a * 2) + 12
3 + 3a = (2 + 2a) + 12

Reorder the terms:
3 + 3a = 2 + 12 + 2a

Combine like terms: 2 + 12 = 14
3 + 3a = 14 + 2a

Solving
3 + 3a = 14 + 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.
3 + 3a + -2a = 14 + 2a + -2a

Combine like terms: 3a + -2a = 1a
3 + 1a = 14 + 2a + -2a

Combine like terms: 2a + -2a = 0
3 + 1a = 14 + 0
3 + 1a = 14

Add '-3' to each side of the equation.
3 + -3 + 1a = 14 + -3

Combine like terms: 3 + -3 = 0
0 + 1a = 14 + -3
1a = 14 + -3

Combine like terms: 14 + -3 = 11
1a = 11

Divide each side by '1'.
a = 11

Simplifying
a = 11

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