Question 130410
0.06x+0.05y=0.07
0.4x-0.3y=1.1 
__ multiply 1st equation by 6 and add to 2nd equation


-4.5x+7.5y=6
-x+1.5y=5 
__ multiply 2nd equation by -5 and add to 1st equation


17x+21y=1
17x-5y=6 
__ subtract 2nd equation from 1st equation



after you have solved for one variable, substitute the value into one of the equations to find the other variable