Solve for x. X X+5 8 12 x = [?] X Enter the number that belongs in the green box.

Fossfreedom asked Oct 20, 2023

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45 votes

Solve for x.

X
X+5
8
12
x = [?]
X
Enter the number that belongs in
the green box.

Fossfreedom asked Oct 20, 2023

3.4k points

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25 votes

x / x + 5 = 8 / 12
x / x + 5 = 2 / 3
3x = 2(x + 5)
3x = 2x + 10
x = 10

Check:
x / x + 5
10 / 10 + 5
10 / 15
2 / 3 :)

Lemmerich answered Oct 25, 2023

3.0k points

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