a+3+2a=-1+a+4

Solution for a+3+2a=-1+a+4 equation:

Simplifying
a + 3 + 2a = -1 + a + 4

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

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

Reorder the terms:
3 + 3a = -1 + 4 + a

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

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

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

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

Solving
3a = a

Solving for variable 'a'.

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

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

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

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

Divide each side by '2'.
a = 0

Simplifying
a = 0