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professor190 [17]
3 years ago
9

-10x – 2y = -30 3x + 2y = 9 X=

Mathematics
1 answer:
Natalka [10]3 years ago
8 0

Answer: x = 3

Step-by-step explanation:

-10x - 2y = -30

3x + 2y =9

use elimination method...

-2y and 2y = 0

-10x = - 30

3x = 9

add together...

-7x = -21

solve...

x= 3

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