43=a+1

Solution for 43=a+1 equation:

Simplifying
43 = a + 1

Reorder the terms:
43 = 1 + a

Solving
43 = 1 + 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.
43 + -1a = 1 + a + -1a

Combine like terms: a + -1a = 0
43 + -1a = 1 + 0
43 + -1a = 1

Add '-43' to each side of the equation.
43 + -43 + -1a = 1 + -43

Combine like terms: 43 + -43 = 0
0 + -1a = 1 + -43
-1a = 1 + -43

Combine like terms: 1 + -43 = -42
-1a = -42

Divide each side by '-1'.
a = 42

Simplifying
a = 42