SOLUTION: solve using substitution 0.1x+0.8y=23 0.7x-0.5y=83

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Question 884445: solve using substitution 0.1x+0.8y=23
0.7x-0.5y=83
Found 2 solutions by Fombitz, MathTherapy:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Multiply both equations by 10.


From eq. 1,

Substitute into eq. 2,




Then,
Answer by MathTherapy(10555)   (Show Source): You can put this solution on YOUR website!

solve using substitution 0.1x+0.8y=23
0.7x-0.5y=83






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