Question

Resolva as Equaçoes:

a) 2(x - 5) +4(x - 1) = 0

b) 3(2x - 1) = -2(x + 3)

c) 7(x - 1) -2 (x - 5) = x -5

Ajuda nois ae! ​

Answer 1

Resposta:

a) 2(x-5)+4(x-1)=0

2x-10+4x-4=0

2x+4x=10+4

6x=14

x=14÷6

b) 3(2x-1)= -2(x-3)

6x-3=-2x+6

6x+2x=6+3

8x=9

x=9÷8

c) 7(×-1)-2(×-5)=×-5

7×-7-2×+10=×-5

7×-2×-×=-5+7-10

4×=8

×=8÷4

×=2