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Mathematics 7 Online
OpenStudy (anonymous):

Solve the following problem. Be sure to show all steps (V.E.S.T.) and work in order to receive full credit. The sum of three numbers is 26. The second number is twice the first and the third number is 6 more than the second. Find the numbers.

OpenStudy (sweetburger):

i keep mistyping

OpenStudy (sweetburger):

x+y+z = 26 2x=y z=6+y

OpenStudy (sweetburger):

now you can just substitute until you isolate one variable

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