Question

7.(x + 3) - 10 = 3x + 5.(x - 2)

3.(y + 2) = 2y

2.(7 + 5x) = 9x - 4

4 - 2x + 2.(5x - 1) + 2 - x = 11

Answer 1

Resposta:

7.(x + 3) - 10 = 3x + 5.(x - 2)

7x+21 -10 = 3x+5x-10

-x= -10 +10 -21

-x= -21

x=3

3.(y + 2) = 2y

3y+6= 2y

x= -6

2.(7 + 5x) = 9x - 4

14+10x= 9x-4

x=-4-14

x= -18

4 - 2x + 2.(5x - 1) + 2 - x = 11

4-2x +10x -2 +2 -x= 11

7x= 7

x=1