If you isolate the variable and divide each side by factors that don't contain the variable, it'll be solved as x = -12
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0.2 + 0.3 + 0.5 = 1
190 x 0.2/1 = 38
190 x 0.3/1 = 57
190 x 0.5/1 = 95
190
0.2: 0.3: 0.5
38: 57: 95
Answer:
22
Step-by-step explanation:
2
Add 65+57 and subtract it from 180 then you get the third angle