Question

Need some math help Pre calc practice test

Answer 1

2x+5y=16
-5X-2y=2

Answer 2

Express your answer as an ordered pair in the format (a,b), with no spaces between the numbers or symbols

Answer 3

I've got an answer but not sure if its correct

Answer 4

@ganeshie8

Answer 5

2x+5=16 -5x-2y=2

2x=16-5 -5(5.5)-2y=2

2x=11 -27.5-2y=2

x=11/2 -2y=2+27.5

x= 5.5 -2y=29.5
y=29.5/-2 y=-14.75 ordered pair: (5.5,-14.75)

Answer 6

is this correct?

Answer 7

@e.mccormick

Answer 8

@midhun.madhu1987

Answer 9

Multiply equation 1 by 5 and the equation 2 by 2 and add them as follows

with this value of y find x.