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3 years ago

Solving by substitution y=-7x+6 with 5x+y=2

Mathematics

1 answer:

Sergio039 [100]3 years ago

5 0

Answer:

x=1/3,y=3

Step-by-step explanation:

y=7x+6_____equation1

5x+y=2_____equation2

substitute y into equation 2

5x+7x+6=2

12x+6=2

12x=2-6

12x=-4

x= -1/3

substitute X into equation 1

y=7x+6

y=7(-1/3)+6

y=-7/3+6

y=9/3

y=3

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