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02-09-2021
Mathematics

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If the Expression 5c+15 is equal to 21, determine the value for the Expression 5c+18.

If the Expression 5c15 is equal to 21 determine the value for the Expression 5c18 class=

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xsychic xsychic

02-09-2021

hi <3

lets solve for c first

5c + 15 = 21

subtract 15 from both sides:

5c = 6

divide both sides by 5:

c = 6/5

now substitute the value for c into the equation

5(6/5) + 18 = 24

thus, your answer is 24

hope this helps :)

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