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3 years ago

PLEASE HELP I'M IN A HURRY

Mathematics

2 answers:

EastWind [94]3 years ago

7 0

Answer:

The answer is b (1,11)

Step-by-step explanation:

You can graph the lines and find the solution that way (which is where the lines intersect)

or you can algebraically solve.

To check this, you can basically plug in the x and y values for the equation and see if they match with what the equation equals..

Example:

10x + 3y = 43

-9x - y = -20

10(1) + 3(11) --> 10 + 33 = 43.. 43 equals 43

-9(1) - (11) = -9 - 111 = -20.. -20 equals -20

(the values match up so it's a solution)

UNO [17]3 years ago

3 0

Jansnsnsnwkeksnsznznsnwns

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