Respuesta:
5. 15
6. 12
7. 10
Espero que te sirva :)
5
[tex] - \frac{2x}{3} = 10 \\ - 2x = 10 \times 3 \\ - 2x = 30 \\ - x = \frac{30}{2} \\ - x = 15 \\ x = - 15[/tex]
6
-x = 2x6
-x =12
x =-12
7
[tex] \frac{3a}{5} = 6 \\ 3a = 6 \times 5 \\ 3a = 30 \\ a = \frac{30}{3} \\ a = 10[/tex]
