Answer:
49
hope it helped have a good day mate
Nāo sei a resposta,entāo eu estoj escrevendo em um idioma diferente *-*
Expression A is 18 adding .5 and expression B is 18.5 multiplying buy 2.
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Answer:
30+(2x+7)+63=180(sum of angles of triangle )
30+2x+7+63=180
2x+100=180
2x=180-100
x=80/2
x=40