Question

4.(×-5)+10=5.(7+2×) ?


a) 15/2

b) -15/2

c) 45/2

d) 5​

Answer 1

$4.(x - 5) + 10 = 5.(7x + 2x)$

$4x - 20 + 10 = 35 + 2x$

$4x - 2x = - 10 + 20$

$2x = 10$

$x = \frac{10}{2}$

$x = 5$

Letra D

espero ter ajudado! (｡♡‿♡｡)