A quick way to "see" if correct is assign "easy to work with"
values to the variables; like with your problem:
a=1, b=2, x=3, z=4.
Substitute in both the original and the answer:
if both same, then "SUCCESS!".
A quick way to "see" if correct is assign "easy to work with"
values to the variables; like with your problem:
a=1, b=2, x=3, z=4.
Substitute in both the original and the answer:
if both same, then "SUCCESS!".
A quick way to "see" if correct is assign "easy to work with"
values to the variables; like with your problem:
a=1, b=2, x=3, z=4.
Substitute in both the original and the answer:
if both same, then "SUCCESS!".