Question

Alguém me ajuda E resolver essas equação
2(x-6)=-3(5+x)
7(x-2)=5(x+3)
2(x-1)-7=16

Answer 1

Resposta:

2(x-6)-3(5+x)

2x-12=-15 +3x

2x-3x =-12-15

x=27

7(x-2)=5(x +3)

7x- 14 =5x +15

7x-5x =-14+15

2x =1

x=1/2

2(x-1)-7=16

2x-2-7=16

2x =-9+16

2x =7

x=7/2