Question

Resolva as equações. a) X + 15 = -5 b) 3X = 2X + 25 c) 5X - 12 = 3X + 28 d) 6X + 12 = 2X - 28 e) 9X + 15 - 4X = 3X - 13 f) 10X - 15 + 4X = 13X - 5 - 2X + 17

Answer 1

Resposta:

A) +15−15=−5−15 X=20

B) 3−2=2+25−2 X=25

C) 5−12+12=3+28+12 X=20

D) 6+12−12=2−28−12 X= -10

E) 5+15=3−13 X= -14

F) 14−15=13−5−2+17 X= 9