Answered

Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

Solve using elimination method
7x+15y=32
X-3y=20

Sagot :

rhapsodyofwords
1. 7x+15y=32
2. x-3y=20/*5
2. 5x-15y=100
1.+2.= >12x=132
             x=11
1. 7*11+15y=32
     15y= -45
        y= -3
x=11;y=-3





eu99li

{7x+15y=32
{x-3y=20    /*5


{7x+15y=32

{ 5x-15y=100     (+)

7x+5x+15y-15y=32+100

12x=132    /:12

x=11

x-3y=20

11-3y=20    /-11

-3y=  9    /:(-3)

y=-3

The solution:  (11; -3)


Your visit means a lot to us. Don't hesitate to return for more reliable answers to any questions you may have. We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. We're glad you visited Westonci.ca. Return anytime for updated answers from our knowledgeable team.