Question

4(×+8)+3×=3(×-8)
90×=87×-81

Answer 1

Resposta:

4(x+8)+3x = 3(x-8)

4x + 32 + 3x = 3x - 24

7x + 32 = 3x - 24

7x - 3x = -24 - 32

4x = - 56

x = - 56/4

x = -14

90x = 87x - 81

90x - 87x = -81

3x = -81

x = -81/3

x = -27