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Svetradugi [14.3K]
3 years ago
11

Find the value of x. I got 15 as my answer, but it was incorrect.

Mathematics
2 answers:
77julia77 [94]3 years ago
6 0
Add them all and make usual to 180
the x value is equal to 10
Lina20 [59]3 years ago
5 0
7x +(3x-5)+(8x+5)=180
simplify
18x=180
divide by 18
x=10
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