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  • Utilisateur Brainly
2014-06-18T13:00:29+02:00
E) 5y =-4+39
    y = 7

f) -2v = +4-18
   v = 7

2014-06-18T13:00:57+02:00
E)5y+4=39
5y = 39-4
5y = 35
y = 35/5
y = 7

f)-4-2v=-18
-2v = -18+4
-2v = -14
v = -14/-2
v = 7