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3 years ago

What do I do for this???

Mathematics

2 answers:

krok68 [10]3 years ago

7 0

Answer:

I get x = 3 and y = 2

Step-by-step explanation:

Add the 2 equations and you get 2x = 6, so x = 3.

Substitue 3 for x in both original equations and solve for y. If you get the same y for both equations you have an answer.

I get x = 3 and y = 2

Kay [80]3 years ago

5 0

Answer:

Ok first of all you are suppose to solve it

Step-by-step explanation:

and then there is not enough explanations for me to answer but looking at it it looks like you have to put those numbers in the graph

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Answer:

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Step-by-step explanation:

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3 years ago

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sveticcg [70]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Evaluate 3x^2 - x for x = -2

Butoxors [25]

Answer:

$3x^2 - x$

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3 years ago

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Answer:

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4 years ago

Problem is in the pictures

marta [7]

Answer:

Step-by-step explanation:

$\left\{\begin{array}{ccc}6x+3y=-21&\text{divide both sides by (-3)}\\2x+5y=5\end{array}\right\\\underline{+\left\{\begin{array}{ccc}-2x-y=7\\2x+5y=5\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad4y=12\qquad\text{divide both sides by 4}\\.\qquad\qquad y=3\\\\\text{Put it to the second equation:}\\2x+5(3)=5\\2x+15=5\qquad\text{subtract 15 from both sides}\\2x=-10\qquad\text{divide both sides by 2}\\x=-5$

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3 years ago