Answer: d
Step-by-step explanation:
use the formula 
Answer:
x = 0
Step-by-step explanation:
if 2y + x = 4
we can assume that y = 2
if y - 3x = 2
it means 2 - 0 = 2
therefore x = 0
Answer:
We need to know what the boxes are, you didnt include numbers so we cant help you :) Have a great day and i hope you figure the problem out with the help with our Brainly workers! -Conner
Step-by-step explanation:
Answer:
also got exams
Step-by-step explanation:
good luck bro
Answer:
x=9
Step-by-step explanation:
x = 3^2
x = 3*3
x=9