76=42+a

Solution for 76=42+a equation:

Simplifying
76 = 42 + a

Solving
76 = 42 + 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.
76 + -1a = 42 + a + -1a

Combine like terms: a + -1a = 0
76 + -1a = 42 + 0
76 + -1a = 42

Add '-76' to each side of the equation.
76 + -76 + -1a = 42 + -76

Combine like terms: 76 + -76 = 0
0 + -1a = 42 + -76
-1a = 42 + -76

Combine like terms: 42 + -76 = -34
-1a = -34

Divide each side by '-1'.
a = 34

Simplifying
a = 34