Answer:
x=1.4 y=2.8
Step-by-step explanation:
Lets substitute y with 2x. We get: 1.85x+7.4x=12.95.
Simplifying by combining x: 9.25x=12.95
Then you just divide 12.95 by 9.25: x=1.4
Now for y. We know why is 2x so we just have to multiply x by 2: y=2x, y=2.8.
Answer:
Step-by-step explanation:
Answer: (I think)
78 paintings
Step-by-step explanation:
6 x 13 = 78
Answer:
2x+7+y=0 -7
2x+y=-7 -2x
y=-2x-7
Step-by-step explanation:
not sure