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faltersainse [42]
3 years ago
13

Solve the system of linear equations using elimination.

Mathematics
2 answers:
Juliette [100K]3 years ago
7 0

Answer:

B

Step-by-step explanation:

ser-zykov [4K]3 years ago
3 0

Answer:

(x , y) = (8, -9)

Step-by-step explanation:

We have the equations as,

10x + 10y = -10 -------------------------(1)

and

9x + 10y = -18 ---------------------------(2)

Now deducting (2) from (1) we get,

x = 8 ----------------------(3)

Putting the value of x from (3) in (1) we get,

10y = -90

⇒y = -9 --------------------(4)

So, from (3) and (4) we get that,

(x , y) = (8, -9)  (Answer)

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Step-by-step explanation:

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