Math

Solve - 2x + y = - 5 and 2x + 5y = 59

Asked by AnneS2 on 04 Jul 05:05

Last updated by anonymous on 05 Jul 12:19

1 Answers

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Answered by CherieS on 05 Jul 12:19

- 2x + y = - 5

- 2x + y +2x= - 5+2x

y = - 5+2x

2x + 5y = 59

2x + 5( - 5+2x) = 59

2x + 5( - 5) (5)(+2x) = 59

2x-25+10x=59

12x-25=59

12x-25+25=59+25

12x=84

12x/12=84/12

x=7

y = - 5+2x

y = - 5+2(7)

y = - 5+14

y=9