Math

Solve for - x + 4y = - 46 and 3x - 5y = 68

Asked by AnneS2 on 14 Jul 04:23

Last updated by anonymous on 16 Jul 11:15

1 Answers

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Answered by CherieS on 16 Jul 11:15

- x + 4y = - 46

- x + 4y+x = - 46+x

4y= - 46+x

4y+46= - 46+x+46

4y+46=x

3x - 5y = 68

3(4y+46) - 5y = 68

3(4y) (3)(+46) - 5y = 68

12y+138-5y=68

7y+138=68

7y+138-138=68-138

7y=-70

7y/7=-70/7

y=-10

4y+46=x

4(-10)+46=x

-40+46=x

6=x