What is the result of adding these two equations?
5xβ9y=1β7x+2y=β5\begin{aligned} 5x-9y &...
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Mathematics, 13.01.2020 05:31 nae8048
What is the result of adding these two equations?
5xβ9y=1β7x+2y=β5\begin{aligned} 5x-9y & = 1 -7x+2y & = -5 \end{aligned}
5xβ9y
β7x+2y
=1
=β5
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Answers: 1
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