Question

A)2.(x+5)=x+30
B)3y+16=y+8
C)150x-20=100x+30
D)5(x+2)=2.(x+3)
Me ajudem pfv!!

Answer 1

Resposta:

A) X=20

B) Y= -4

C) X = 1

D) X = -4/3

Explicação passo a passo:

A)2.(x+5)=x+30

  2x + 10 = x + 30

   2x - x = 30 - 10

       X=20

B)3y+16=y+8

   3y - y = 8 - 16

     2y = -8

       y = -8/2

        Y= -4

C)150x-20=100x+30

   150x -100x = 30 + 20

       50x = 50

           x = 50/50

           X = 1

D)5(x+2)=2.(x+3)

    5x + 10 = 2x + 6

     5x - 2x = 6 -10

      3x = -4

       X = -4/3