Question

h) 7(x-2)=5(x+3) i) 3(2x-1)=-2(x+3 j) 5x-3(x+2)=15 (com o calculo pfvr)​

Answer 1

Resposta:

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

7x - 14 = 5x + 15

2x = 29

x = 29/2

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

6x - 3 = -2x + 6

8x = 9

x = 9/8

j) 5x-3(x+2)=15

5x -3x - 6 = 15

2x = 21

x = 21/2

Bons estudos ❤️