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Alexxx [7]
3 years ago
9

HEEEEELLLLLLLLPPPPPPPPPPP!!!!!!!!!!

Mathematics
1 answer:
natita [175]3 years ago
5 0
Eliminate y by writing the bottom equation into the top one:

-1/2x - 4 - 3x = 3
-3.5x = 7
x = -2

y= -1/2 * -2 - 4 = -3
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The sum of two numbers is 6, their difference is 4, find the two numbers. What is their product?
Firlakuza [10]

Answer:

The two numbers are 5 and 1. Their product is 5

Step-by-step explanation:

x + y = 6 (*)

x - y = 4 (**)

Let (*) + (**)

--> (x+y) + (x-y) = 6 + 4

<=> 2x = 10 <=> x = 5

Substitute x= 5

(*) <=> 5 + y = 6

<=> y=1

Answer: (x,y) = (5,1)

Their product: x.y = 5x1 = 5

6 0
3 years ago
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Mice21 [21]
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7 0
2 years ago
Please help! I put a screenshot :) I would like<br> a detailed answer please :) 55 points :)
seropon [69]

Method A: If we count, we see that the answer is 31.

Method B: 19 - -12 = 31. We can even do -12 - 19 and we'll get the same answer: -31, and the absolute value of -31 is 31.

Both methods will give you the same answer.

6 0
3 years ago
Read 2 more answers
Classify each as an expression or an equation.
fenix001 [56]

Answer:

1. equation

2. equation

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Step-by-step explanation:

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7 yd > 1 ft, 25 ft > 38 in. idk about that 3 ft there
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3 years ago
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