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noathequeen
27.09.2019 •
Mathematics
How do you expand the expression 3(x+11)
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Ответ:
this means that it has to be
3 x X + 3 x 11
this means that we can also multyplay 3 by 11 now.
and that equals to 33. There fore the expansion will be:
3 x X + 33
we can also simplify 3 x X which would be 3x (as I mentioned before, It there is no sign between its always multiply!!!)
so the expansion for 3(x+11) is 3x + 33
Ответ:
x = 1
Step-by-step explanation:
3x - 2 + 4x = 7x + 7 - 9
-2x + 4x = 7x - 3x + 7 - 9
2x = 4x -2
2 = 4x - 2x
2 = 2x
x = 2/2
x = 1