3 years ago

7x-6y=9 5x+2y=19 Solve the system using elimination.

Mathematics

1 answer:

ikadub [295]3 years ago

4 0

Step-by-step explanation:

multiply 5x+2y=19 by 3 youll get 15x+6y=57

eliminate y

7x-6y=9

15x+6y=57 +

22x=66

x=3

substitute x to 5x+2y=19

15+2y=19

2y=4

y=2

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