ajudem aqui matemática
Anexos:
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gaby163fms:
posso resolver pra vc, mas vai demorar um pouco...
Soluções para a tarefa
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A) 3x+2x+90=180
6x=180-90
6x=90
x=
x=15
B) 5x+2x+40+3x+10=180
10x=180-40-10
10x=130

x=13
C)2x+3x+2x+40=180
7x=180-40
7x=140

x=20
6x=180-90
6x=90
x=
x=15
B) 5x+2x+40+3x+10=180
10x=180-40-10
10x=130
x=13
C)2x+3x+2x+40=180
7x=180-40
7x=140
x=20
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