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10-04-2017
Mathematics

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What is y=7x-10
y=-3

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Аноним Аноним

10-04-2017

-3=7x -10
-7x=-10+3
-7x=-7
x=1

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10-04-2017

For a solution to exist for two lines, y=y so we can say:

-3=7x-10 add 10 to both sides

7=7x divide both sides by 7

x=1

So the solution is the point (1, -3)

Answer Link

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