Resposta:2.(2x-5)+3.(x+4)=5.(x - 1)+104x - 10 + 3x + 12 = 5x - 5 + 104x + 3x - 5x = -5 + 10 + 10 - 127x - 5x = 5 + 10 + 122x = 15 + 122x = 27x = 27 / 2x = 13,5
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Resposta:
2.(2x-5)+3.(x+4)=5.(x - 1)+10
4x - 10 + 3x + 12 = 5x - 5 + 10
4x + 3x - 5x = -5 + 10 + 10 - 12
7x - 5x = 5 + 10 + 12
2x = 15 + 12
2x = 27
x = 27 / 2
x = 13,5