8z − 4 = 7z
move 8z to the other side
sign changes from +8z to -8z
8z-8z-4=7z-8z
-4= 7z-8z
-4= -z
mutiply both sides by -1 to get +z
(-4)(-1)= (-z)(-1)
Answer:
z= 4
Question
what's the answer to this
4 (w+1)-4w
Answer:
<h2>
4</h2>
Step-by-step explanation:
4 (w+1)-4w =
4w + 4 - 4w =
4
Answer:(12,-5)
Step-by-step explanation: if you have (x-12)^2+(y+5)^2=100 you switch the signs of 12 and 5 opposite
Answer:
Use quetexy i use it all the time
Step-by-step explanation:
It’s c counting your heartbeats