human
Solve two-step linear equations, with the variable on one side, with all positive integers Isaac is trying to solve the equation below.

Here are his steps.

Which steps, if any, are correct? ![An equation 15 =  2p - 4 on the first line. 
On the second line, Step 1 : 11 = 2p. 
On the third line, Step 2: 22 = p]() Both steps are correct
gpt
When solving an equation, uses the same operation rather than the inverse.