Question

equação do primeiro grau
{x+5=16
{2x-3=10 ?

Answer 1

x + 5 = 16  ⇔ x = 16 - 5 ⇔ x = 11 ⇔ V = {11}

2x - 3 = 10 ⇔ 2x = 10 + 3 ⇔ 2x = 13 ⇔ x = 13/2 ⇔ V = {13/2}

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27/11/2015
SSRC - Sepauto
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Answer 2

x+5 = 16
x= 16-5
x= 11

V=(11}

2x-3 =10
2x=10+ 3
2x= 13
x= 13/2

V={13/2}