a+(a+1)+(a+2)=93

Solution for a+(a+1)+(a+2)=93 equation:

Simplifying
a + (a + 1) + (a + 2) = 93

Reorder the terms:
a + (1 + a) + (a + 2) = 93

Remove parenthesis around (1 + a)
a + 1 + a + (a + 2) = 93

Reorder the terms:
a + 1 + a + (2 + a) = 93

Remove parenthesis around (2 + a)
a + 1 + a + 2 + a = 93

Reorder the terms:
1 + 2 + a + a + a = 93

Combine like terms: 1 + 2 = 3
3 + a + a + a = 93

Combine like terms: a + a = 2a
3 + 2a + a = 93

Combine like terms: 2a + a = 3a
3 + 3a = 93

Solving
3 + 3a = 93

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 3a = 93 + -3

Combine like terms: 3 + -3 = 0
0 + 3a = 93 + -3
3a = 93 + -3

Combine like terms: 93 + -3 = 90
3a = 90

Divide each side by '3'.
a = 30

Simplifying
a = 30