Question

solve by elimination method
0.11x+0.08y=0.69
0.5x-0.3y=3.8

Answer 1

You need the LCM of 0.08 and -0.3. What is it?

Answer 2

I think its 2.4.. the LCM

Answer 3

Good. Close enough.
Multiply the entire top equation by 0.3, and the entire bottom equation by 0.08.

Answer 4

Then add the equations together. This will eliminate y.

Answer 5

ok thanks for helping me..

Answer 6

@marigarcia what did you get for a result for x and y?

Answer 7

wlcm

Answer 8

Whoalmer4 I got x=7

Answer 9

and y=-1

Answer 10

great job!

Answer 11

thanks for your help

Answer 12

wlcm