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Danielsoares333
@Danielsoares333
November 2019
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Resolva: a) 2(x+3)=30 b) 8-2(t+5)=5 c) 3(b-1)-4(b-2)=6 d) 2(5a+1)=27
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QueziaNutella
A)2(x+3)=30 b)8-2(t+5)=5 c) 3(b-1)-4(b-2)=6
2x+6=30 8-2t+10=5 3b-3-4b+8=6
2x+6-6=30-6 8-8+2t+10-10=5-8-10 7b-3+3+8-8=6+3-8
2x=24 2t=-13/2 7b=1
24/2=12 t=6,5 7/1
x=12 b=0,142857
deu uma conta inacabada :)
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2x+6=30 8-2t+10=5 3b-3-4b+8=6
2x+6-6=30-6 8-8+2t+10-10=5-8-10 7b-3+3+8-8=6+3-8
2x=24 2t=-13/2 7b=1
24/2=12 t=6,5 7/1
x=12 b=0,142857
deu uma conta inacabada :)