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jakedoc31
15.07.2019 •
Mathematics
Solve: 2x+4=8 then add it to 2 then add it to 10 then subtract 3 then add 10 what's the
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Ответ:
2x + 4 = 8
Note the equal sign. What you do to one side, you do to the other.
subtract 4 from both sides
2x + 4 (-4) = 8 (-4)
2x = 8 - 4
2x = 4
divide 2 from both sides
2x/2 = 4/2
x = 4/2
x = 2
you know you're starting number now: 2
"then add it to two": 2 + 2 = 4
"then add it to ten": 4 + 10 = 14
"then subtract three": 14 - 3 = 11
"then add ten": 11 + 10 = 21
21 is your final answer
hope this helps
Ответ:
Similar principle is applied in convection current for land and sea breezes.