agotillarosita32 agotillarosita32

08-10-2020
Mathematics

contestada

how did you know that the values of the variable really satisfy the equation?

Respuesta :

lizziefbm03 lizziefbm03

08-10-2020

Answer:

you substitute the variable with its value and the equation makes sense

Step-by-step explanation:

3+y=8

subtract 3 from both sides and you get

y=5

so, if y=5 then 3+y=8 is the same as saying 3+5=8 which is correct

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