aln1152
aln1152
23-11-2020
Mathematics
contestada
(180−x) + (90−x) = 210
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g5ayyvfy52
g5ayyvfy52
23-11-2020
180-x+90-x=210
270-x-x=210
-2x=210-270
-2x=-60
X=30
Answer Link
Languageplease1234
Languageplease1234
24-11-2020
(180-x)+(90-x)=210
180-x+90-x=210
180+90=270
-x-x=-2x
-2x+270=210
-270 -270
-2x=-60
X=30
Answer Link
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