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MarcosLucenna
@MarcosLucenna
December 2019
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Calcule o valor de x e y na figura.
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dollypazua
A) x + 40 + 3x + x - 10 → 90
x + 3x + x
→ 90 - 40 + 10
5x → 60
x → 12
B) 2y + y - 15 → 90
3y → 90 + 15
3y → 105
y → 35
C) 2x + 4x → 90
6x → 90
x → 15
2 votes
Thanks 2
HarryMendes0811
X+40+3x+x-10=90
3x+x+x=90+10-40
5x=60
x=60:5
x=12
y-15+2y=90
2y+y=90+15
3y=105
y=35
0 votes
Thanks 1
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Lista de comentários
x + 3x + x → 90 - 40 + 10
5x → 60
x → 12
B) 2y + y - 15 → 90
3y → 90 + 15
3y → 105
y → 35
C) 2x + 4x → 90
6x → 90
x → 15
3x+x+x=90+10-40
5x=60
x=60:5
x=12
y-15+2y=90
2y+y=90+15
3y=105
y=35