Answer:
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Step-by-step explanation:
I'm in middle school I wish I could help.
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Answer:
y = 5 -x
6x +3(5 -x) = 27
Step-by-step explanation:
The first equation is conveniently solved for either x or y. If we solve it for y, we get ...
y = 5 - x . . . . . . subtract x from both sides
This expression for y can be substituted into the second equation to give ...
6x +3(5 -x) = 27
These are your new system of equations.
Simplified, they are ...
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The second is a 2-step equation that gives the value of x, which can then be used in the first equation to find y.
3x = 12 . . . . subtract 15
x = 4 . . . . . . divide by 3
y = 5 -4 = 1 . . . . substitute into the first equation
The solution is (x, y) = (4, 1).
Answer:
yards.
Step-by-step explanation:
Please find the attachment.
We have been given that Marisela cut four equivalent lengths of ribbon. Each was 5 eighths of a yard long.
To find yards of ribbon cut by Marisela, we will multiply 4 by 5 eighths of a yard (5/8).
Express answer as the sum of whole number and the remaining fractional units:
Therefore, Marisela cut 
yards of ribbon.
If all the cheese slices have same mass, say m grams
and mass of 3 cheese slices is 27
so,
m+m+m=27
3m=27
or m=27/3
m=9
thus
mass of one cheese slice is 9 grams
