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[2*(x+8)*3+4*(x+8)]:4=25

Răspuns :

( 2x + 16 * 3 + 4x + 32 ):4=25
( 6x + 80 ) : 4 = 25
6x + 80 = 25 * 4
6x + 80 = 100
6x = 100 - 80
6x = 20
x= [tex] \frac{20}{6} [/tex]²   ( acel doi mic inseamna ca simplific cu 2 )
x= [tex] \frac{10}{3} [/tex]
x= 3,(3)