Question

Va rog ajutor am nevoie urgent,aveti si multe puncte!!!

Answer 1

Răspuns:

a) 5x+1=16

5x=16-1

5x=15 =>x=3

b) 14-3x=31

-3x=31-14

-3x=17 =>

$x = - \frac{17}{3}$

c) -2x+16=14

-2x=14-6

-2x=8 => x=-4

d) x+10=17-3x

x+3x=17-10

4x=4 =>

$x = \frac{7}{4}$

e) -2x+16=7x-3

-2x-7x=-3-16

-9x=-19 =>

$x = \frac{19}{9}$

:)