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kow [346]
3 years ago
5

Which expression is equivalent to x+y+x+y+3(y+5)

Mathematics
1 answer:
horsena [70]3 years ago
3 0

Answer:

2x + 5y + 15

Step-by-step explanation:

add like terms

(x+x) + (y+y)+3y+15

2x+2y+3y+15

2x + 5y + 15

i hope this helps!

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The difference between a snert and a snart is six. The sum of twice a snert and a snart is eighteen. How large is a snert and ho
dimulka [17.4K]

Answer:

The measure of a snart is 2 and that of a snert is 8.

Step-by-step explanation:

Represent the size of a snert by e and that of a snart by a.

Then e - a = 6.  This assumes that e > a.

2e + a = 18.  Substitute e - 6 for a, obtaining:

2e + (e - 6) = 18.

Simplifying, we get

2e + e - 6 = 18, or

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5 0
3 years ago
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katrin2010 [14]

Answer:

x=12

Step-by-step explanation:

2x-8=16(add a to both sides)

2x=24(divide by 2)

x=12

7 0
3 years ago
ZX is perpendicular bisector of WY if WY=24 what is WX
bixtya [17]

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12

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