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stiv31 [10]
3 years ago
12

How many posible solutions for x-3y=-3 and -2x+6y=12

Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0

Answer:

there are no solutions

Step-by-step explanation:

x-3y=-3

-2x+6y=12

multiply the first equation by 2

2( x-3y)=-3*2

2x-6y = -6

add the 2 equations together


2x-6y = -6

-2x+6y=12

-------------------

0 = -6

this is not true

so there are no solutions

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Ivanshal [37]

Answer:

Fifty more than half the number of the oranges is one-hundred-and-twenty.

The sum of fifty and half the number of oranges is the same as one-hundred-twenty.

Step-by-step explanation:

The equation is 50 + one-half m = 120.

Assume the number of oranges=m

50+1/2m=120

1/2m=120-50

1/2m=70

m=70÷1/2

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All statement that applies includes:

1. Fifty more than half the number of the oranges is one-hundred-and-twenty.

50+1/2m=120

2. The sum of fifty and half the number of oranges is the same as one-hundred-twenty.

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Martha can use the two statements above to communicate the correct equation

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3 years ago
What is the answer to this equation?<br> 1/2 (4i+8)=-2
Flauer [41]

Answer:

If your looking for I the answer is -3

Step-by-step explanation:

Simplify both sides of the equation

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If - 7 = 9 + x, then -3x + 5 = ?
Vikentia [17]

Answer:

53

Step-by-step explanation:

At first,

- 7 = 9 + x

By subtracting 9 from both sides, we get

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By substituting the value of x in -3x + 5 , we get

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1

Step-by-step explanation:

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