A) 7x-10=2x+10 b) 8y-3y-50=10 c)9x-40=-x+140 d) 24+x+3x=20 e) 2y+y=2y-40 PRECISO URGENTE.... Pergunta de ideia dePaulosantos123

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A) 7x-10=2x+10 b) 8y-3y-50=10 c)9x-40=-x+140 d) 24+x+3x=20 e) 2y+y=2y-40 PRECISO URGENTE

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DanielCesar A) 7x-10=2x+10 = 7x-2x=20 5x=20 x=4
b) 8y-3y-50=10 = 5y =60 y=12

c)9x-40=-x+140 10x = 180 x=18

d) 24+x+3x=20 4x=4 x=1

e) 2y+y=2y-40 y= - 40

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