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Artist 52 [7]
3 years ago
9

What is the solution to the system of equations?

Mathematics
1 answer:
Over [174]3 years ago
3 0

ANSWER

C) (6,-8)

EXPLANATION

The equations are:

y =  \frac{1}{3}x - 10

and

2x+y=4

We substitute the first equation into the second equation to get:

2x +  \frac{1}{3}x - 10 = 4

We multiply through by 3 to get:

6x + x  - 30= 12

Group similar terms,

6x + x = 30 + 12

7x = 42

Divide both sides by 7 to get,

x =  \frac{42}{7}  = 6

Put this value of x into the first equation to get;

y =  \frac{1}{3} (6) - 10

y = 2 - 10 =  - 8

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