X = 4y
3x - y = 70
substitute the x in the second equation with the other half of the first equation.
3(4y) - y = 70
12y - y = 70
11y = 70
y = 6.36 repeating, or 6 4/11
now use this to solve first equation
x = 4 (6 4/11)
x = 25.45 repeating
done
Answer:
C because i had this before and got it right
Answer:
I would say it would be c 0.53
Answer: 5x - 1
Step-by-step explanation: 3x + 2x = 5x and -6 + 5 = -1, so 5x - 1.
Answer:
2 x 10^7
Step-by-step explanation:
