Respuesta :
z-7.8=32.9
add 7.8 on both sides so it should say z=40.8 that's your answer
z=40.8
add 7.8 on both sides so it should say z=40.8 that's your answer
z=40.8
Hi there!
First, we add 7.8 to both sides which would look like 7.8+7.8=32.9+7.8
Second, you would add 32.9 to 7.8, 32.9+7.8=40.7.
Therefore, z=40.7