Math

- 4x - 5y = 11 4x + 2y = 10

Asked by AnneS2 on 30 May 04:35

Last updated by anonymous on 01 Jun 10:59

1 Answers

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Answered by CherieS on 01 Jun 10:59

4x + 2y = 10

4x + 2y-4x = 10-4x

2y=10-4x

2y/2=10/2-4x/2

y=5-2x

- 4x - 5y = 11

- 4x - 5(5-2x)=11

- 4x - 5(5) (-5)(-2x)=11

-4x-25+10x=11

-25+6x=11

-25+6x+25=11+25

6x=36

6x/6=36/6

x=6

y=5-2x

y=5-2(6)

y=5-12

y=-7