48-a+11=42

Solution for 48-a+11=42 equation:

Simplifying
48 + -1a + 11 = 42

Reorder the terms:
48 + 11 + -1a = 42

Combine like terms: 48 + 11 = 59
59 + -1a = 42

Solving
59 + -1a = 42

Solving for variable 'a'.

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

Add '-59' to each side of the equation.
59 + -59 + -1a = 42 + -59

Combine like terms: 59 + -59 = 0
0 + -1a = 42 + -59
-1a = 42 + -59

Combine like terms: 42 + -59 = -17
-1a = -17

Divide each side by '-1'.
a = 17

Simplifying
a = 17