What is the solution to this system of equations?
-3x+5y=-2
3x+7y=26

1. (4,2)
2. (2, 3 1/3)
3. no solution
4.infinitely many solutions

(4,2)

Step-by-step explanation:

-3x+5y=-2

3x+7y=26

I will add the two equations to eliminate x

-3x+5y=-2

3x+7y=26

0x + 12y = 24

Divide by 12

12y/12 = 24/12

y =2

Now find x

3x+7y =26

3x+7*2 =26

3x+14= 26

Subtract 14 from each side

3x+14-14 =26-14

3x= 12

Divide by 3

3x/3 =12/3

x=4

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

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