Question

resolva as equações 5(3-×)-4×=18​

Answer 1

5 (3-x)-4x =18

15-5x-4x=18

-5x-4x=18-15

-9x=3

x=9÷3

x=3

Answer 2

Explicação passo-a-passo:

$5(3 - x) - 4x = 18$

$15 - 5x - 4x = 18$

$15 - 9x = 18$

$- 9x = 18 - 15$

$- 9x = 3$

$x = \frac{3}{ - 9}$

$x = - \frac{1}{3}$