Question

encontre as raizes das equacoes do 1 grau a.2y+5=y-6 b.3x+2x=-3-12 c.2(x+2)=x+3 d.-4x-4=x+2
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Answer 1

a) 2 + 5 = − 6

2y+5-5=y-6-5

= − 1 1

b)3x+2x=-3-12

5 = − 3 − 1 2

= − 3

c)2(x+2)=x+3

2 + 4 = + 3

= − 1

d)-4x-4=x+2

4 − 4 + 4 = + 2 + 4

= 2