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2 years ago

Which of the following describes all the solutions to the inequality 5x+7y=22 when y=-4

Mathematics

1 answer:

Kryger [21]2 years ago

4 0

Substitute...
5x + 7(-4) = 22
5x - 28 = 22
+ 28 + 28
5x = 50
__ ___
5 5

x = 10

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