X = the dividend
x ÷ 7 = 13
x = 13x7
x = 91
For the one on the left they are corresponding and on the right they are vertical
5p+7c=2p
5p=2p-7c
7p=-7c
p=-c
hope it helped
Answer:
Step-by-step explanation:
Student 2 and student 1
Step-by-step explanation:
You're asking why

let's transpose the first equation for y
-2x-6y=18
-6y=18+2x
6y=-18-2x
y=-18/6-2x/6
y=-3-⅓x as required