Solve this system of equations using any method. 3x - y = 4 x + 2y = 13

Question

Mathematics

Jazlene Blankenship

22 May, 09:13

Solve this system of equations using any method. 3x - y = 4 x + 2y = 13

+4

Answers (1)

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Topaz · Answer 1

3x-y=4

x+2y=13

elimination

multiply first equation by 2 and add to second

6x-2y=8

6x-2y=8

x+2y=13 +

7x+0y=21

7x=21

divide 7

x=3

sub

x+2y=13

3+2y=13

minu 3

2y=10

divide 2

y=5

x=3

y=5

(3,5)