Question 212828
Solve by the elimination method 
0.3x-0.2y=4
0.2x+0.5y= -21/23

The following steps solves the problem using Substitutions:


*[invoke linear_substitution "x", "y", 3, .2, 4, .2 , .5 , -21/23 ]



I hope the above steps were helpful.


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Good luck in your studies!


Respectfully,
Dr J