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Elden [556K]
3 years ago
6

Which property justifies the step shown in solving this equation -y-5=11

Mathematics
1 answer:
bulgar [2K]3 years ago
8 0

Answer:

y-5=11

y-5+5=11+5 (Add 5 to both sides)

y=16 (Simplify)

I believe that y=16 cannot be simplified so y=16 should be the answer let me know if it helped.


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Martin uses 5/8 of a gallon of paint to cover 4/5 of a wall. What is the unit rate at which Martin paints in walls per gallon?
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3 years ago
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1. What is the degree of the polynomial?<br> t3 + 5t2 – 3t + 2
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I’m assuming that the first number is supposed to be raised by the power of 3. The degree of this polynomial would be 3 then if this is the case.
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The lengths of the sides of an equilateral triangle are 3(x + )cm, (5x +2y-1) cm and 5x +1 Cm Find the side length of the triang
pochemuha

Answer:

Correct option is A

Since it is an equilateral triangle, the lengths of the sides are equal

So, x+3 y=3 x+2 y−2=4 x+

2

1

​

y+1

x+3 y=3 x+2 y−2

y=2 x−2

2 x−y=2 ...(1)

Also, 4 x+

2

1

y+1=x+3 y

8 x+y+2=2 x+6 y

6 x+2=5 y

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Multiplying e q(1) by  5 we get,

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Subtracting e q(2) from e q(3) we get,

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3 years ago
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