deddington deddington

22-01-2021
Mathematics

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what is 6x+7y=4x+4y6x+7y=4x+4y

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alfredjiang2010 alfredjiang2010

22-01-2021

we have

6x+7y=4x+4y

we figure out that

the solution is ----> (x,-4)

substitute the value of y=-4 in the equation

6x+7*(-4)=4x+4*(-4)

6x-28=4x-16

Combine like terms

6x-4x=28-16

2x=12

x=12/2

x=6

So the the missing value is x=6.

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