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3 years ago

Solve the system x - 2y = -6 3x + y = -4

Mathematics

1 answer:

stepan [7]3 years ago

5 0

{x-2y=-6

{3x+y=-4 /*2

{x-2y=-6

{6x+2y=-8 (+)

7x=-14 /:7

x=-2

3x+y=-4

3*(-2)+y=-4

-6+y=-4

y=2

Solution: (-2; 2)

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1 year ago

An equilateral triangle has a perimeter of 48 cm. What is the area?

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$A=64\sqrt{3}\ cm^2$

Step-by-step explanation:

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