Question

Rezolvati in Q ecuatiile:
a) 5x=8
b) -5x=-3+(-2)²
c) x(9-4)=7+2
d) 17x-4x=6-(-20)

Answer 1

a) 5x=8
x=8 supra 5
x= 1,6
b)-5x=3+(-2)la a 2
-5x=3+4
-5x=7
x=7 supra-5
x=-1,4
c)x(9-4)=7-2
5x=5
x=5 supra 5
x=1
d)17x-4x=6-(-20)
13x=26

x=26supra 13
x=2

Answer 2

a)5x=8
x=8/5
x=1,6
b)-5x=3+(-2)la patrat
-5x=3+4
-5x=7
x=-7/5
x=-1,4
c)x(9-4)=7+2
5x=9
x=9/5
x=1,8
d)17x-4x=6-(-20)
13x=6+20
13x=26
x=26/13
x=2