Question

Ex 4 punctele e,f,g,h​

Answer 1

4)

f)

$5x - 4 = 0 \\5 x = 4 \\ \boxed{ x = \frac{4}{5} }$

g)

$- 7x - 14 = 0 \\ - 7x = 14 \\ x = \frac{14}{ - 7} \\ \boxed{ x = - 2}$