Mathematics: When the number of marbles jill has is subtracted from 20, the result is the same as adding 16 to the number of marbles. how many marbles does jill have? is it 20 - x = x + 16 and how do i find x

When the number of marbles jill has is subtracted

Ответ:

deduran

31.12.2021

First, yes, it is 20 - x = x + 16. Now here's the calculation to get x:

20 - x = x + 16 | + x
20 = x + 16 + x =
20 = 2*x + 16 | - 16
20 - 16 = 2*x =
4 = 2*x | / 2
4 / 2 = x =
2 = x

Jill has two marbles.

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Ответ:

lashell14

19.08.2020

Mathematics

4 is correct with the perfect reasoning.

5 says SRT is the same as STR
So SRT = 20
STR = 20
Now if STR is 20, then STU has to be 160 because the two angle have to add up to 180 to make a straight line
So 160 has to equal 4X
4x=160
X=40

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When the number of marbles jill has is subtracted from 20, the result is the same as adding 16 to the number of marbles.
how many marbles does jill have?
is it 20 - x = x + 16 and how do i find x

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