2-3=a+(-4)

Solution for 2-3=a+(-4) equation:

Simplifying
2 + -3 = a + (-4)

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

Reorder the terms:
-1 = -4 + a

Solving
-1 = -4 + 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.
-1 + -1a = -4 + a + -1a

Combine like terms: a + -1a = 0
-1 + -1a = -4 + 0
-1 + -1a = -4

Add '1' to each side of the equation.
-1 + 1 + -1a = -4 + 1

Combine like terms: -1 + 1 = 0
0 + -1a = -4 + 1
-1a = -4 + 1

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

Divide each side by '-1'.
a = 3

Simplifying
a = 3