SOLUTION: 0.3x-0.2y=4 and 0.5x+0.5y = -15/19
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Question 300355: 0.3x-0.2y=4 and 0.5x+0.5y = -15/19
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
Multiply both equations by 10 to get rid of decimals.
Divide eq. 2 by 5, both sides.
1.
2.
From eq. 1,
Substitute into eq. 2,
Then from eq. 2,
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