You know that 3 times 2 is 6 so 30'times 20 equals 60
Answer:
y=1
x=-5
Step-by-step explanation:
3x+y=-14
4x+4y=-16
y=-3x-14
4x+4y=-16
y=-3x-14
4(-3x-14)+4x=-16
y=-3x-14
-8x-56=-16
y=-3x-14
-8x=40
y=-3x-14
x=-5
y=1
x=-5
Answer:
18%
Step-by-step explanation:
Answer:
y=−4 and x=5
Step-by-step explanation:
y=−4;y=(
(−2)
5
)(x)−2
Step: Solvey=−4for y:
Step: Substitute−4foryiny=
−2
5
x−2:
y=
−2
5
x−2
−4=
−2
5
x−2
−4+
2
5
x=
−2
5
x−2+
2
5
x(Add 2/5x to both sides)
2
5
x−4=−2
2
5
x−4+4=−2+4(Add 4 to both sides)
2
5
x=2
2
5
x
2
5
=
2
2
5
(Divide both sides by 2/5)
x=5
Answer:
y=−4 and x=5
= 32.6 %