hat is the value of x in the equation 4x + 8y = 40, when y = 0.8?

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09-03-2018
Mathematics

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hat is the value of x in the equation 4x + 8y = 40, when y = 0.8?

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sinkingly sinkingly · Answer 1 · 2018-03-09T03:50:50+01:00

sinkingly sinkingly

09-03-2018

equation changes to 4x+(8 x .8)= 40. changes to 4x+6.4=40. subtract 6.4 from fourty, and you get 33.6. then you divide 33.6 by 4 and you get 8.4
x=4

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