Question

7(x-2)=5(x+3)  b)3(2x-1)=-2(x+3) 

Answer 1

7(x-2)=5(x+3)
7x - 14 = 5x + 15
7x - 5x = 15 + 14
2x = 29
x = 29/2   ou  14,5

 b)3(2x-1)=-2(x+3)
6x - 3 = - 2x - 6
6x + 2x = - 6 + 3
8x = - 3
x = - 3/8