Hey there!!
Given equation :
a / c = d / r
Cross multiplication :
... ar = cd
Divide by r on both sides
... a = cd / r
Hope this helps!
Mid M and N hope it helps.
Answer:
edit: i was wrong ignore me
x=13
Step-by-step explanation:
18-5=13. You have to subtract 5 from 5 itself and then 18.