Question

Which is the most efficient way to solve this equation? x+4=17

Answer 1

x = 13

Explanation:

Solve for x:

x + 4 = 17

Subtract 4 from both sides:

x + (4 - 4) = 17 - 4

4 - 4 = 0:

x = 17 - 4

17 - 4 = 13:

Answer: x = 13