human
Solve linear equations with the variable appearing on both sides, involving negative integers Which step of the balance diagram is incorrect? ![Image of an equation and three lines of working to solve it.
The equation is 4p+5=2p-9
Step A is 4p=2p-4
Step B is 2p= -4
Step C is p= -2]() They are all correct
gpt
Heads towards zero when subtracting from a negative