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kimmi1489
29.09.2019 •
Mathematics
What is the missing number 73 - 17 = 46 + ?
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Ответ:
Since 73+17=90
Subtract 90 off the other #
For instance 90-46=
Answer is 44
Ответ:
So the answer is 73 - 17 = 46 + 10
Ответ:
y=6.2 and x=0.4 or (0.4,6.2)
Step-by-step explanation:
Since both expressions are equal to y, we can set them equal to each other and solve for x:
3x+5=8x+3
5=5x+3
2=5x
2/5=x
0.4=x
Now to solve y:
y=8(2/5)+3
y=16/5+3
y=3.2+3
y=6.2
Check answers:
6.2=3(0.4)+5
6.2=1.2+5
6.2=6.2
6.2=8(0.4)+3
6.2=3.2+3
6.2=6.2
Answers work, so y=6.2 and x=0.4 or (0.4,6.2) as an ordered pair