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16-12-2019
Mathematics

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What the sum of two numbers is 25 the number is twice the second number plus seven what are the two numbers

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16-12-2019

Step-by-step explanation:

x+y=25

x=2y+7

x+y=25

(2y+7)+y=25

3y+7=25

-7. -7

3y=18

÷3. ÷3

y=6

x=19

19 and 6

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