Question

B— 3.(x-2)=4.(-x+3)
C— 2.(x+1)-(x-1)=0

Answer 1

Resposta:

b)18/7

c)-3

Explicação passo-a-passo:

b) 3.(x-2)=4.(-x+3)

3x - 6 = -4x + 12

3x + 4x = 12 + 6

7x = 18

x = 18/7

c)2.(x+1)-(x-1)=0

2x + 2 - x + 1 = 0

2x - x + 3 = 0

x = -3