Resposta:
01-)
2(x-5)+3(2x+1)=1
multiplicando
2x-10+6x+3=1
8x = 1 + 10 -3 (muda de membro, muda de sinal)
8x=8
x=8
02-)
4x+10.(x-1)=9x+50
4x+10x-10=9x+50
4x+10x-9x=50+10 (muda de membro, muda o sinal)
5x =60
x=60/5
x=12
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Resposta:
01-)
2(x-5)+3(2x+1)=1
multiplicando
2x-10+6x+3=1
8x = 1 + 10 -3 (muda de membro, muda de sinal)
8x=8
x=8
02-)
4x+10.(x-1)=9x+50
4x+10x-10=9x+50
4x+10x-9x=50+10 (muda de membro, muda o sinal)
5x =60
x=60/5
x=12