2 years ago

-5(3-r)=30 Please help!

Mathematics

1 answer:

Andrej [43]2 years ago

3 0

The answer to -5(3-r)=30

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What is this equation called?

nadya68 [22]

$\left\{\begin{array}{ccc}3x-6y=20&|\cdot2\\2x-4y=3&|\cdot3\end{array}\right\\\left\{\begin{array}{ccc}6x-12y=40\\6x-12y=9\\\end{array}\right$