29-09-2017
Mathematics

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What is y when x is equal to 10 in 10x+y=19

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29-09-2017

10x+y=19

when x = 10:

substitute with x=10 into the equation given:

10(10) + y = 19

or:

100 + y = 19

bring 100 to the other side to be -100

y = 19 - 100

y = -81

That's it

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