Question

me ajudem por favorrrrr​

Answer 1

a-)

x 3

3 = 3 =>

x = 3

b-)

x 3 -x 3

(1/5) = 5 => 5 = 5 => -x = 3 =>

x = - 3

c-)

x 1/2 2x 5/2

4 = 32 => 2 = 2 => 2x = 5/2 =>

x = 5/4