Răspuns :
a) x²=144
b) [tex] \frac{5}{8} x=56[/tex]
c) 2x+5=x+10
d) x-45+78 ·3=30
e)x²-2²=21
f)[tex] \frac{4}{6} x- \frac{5}{12} = \frac{3}{12} [/tex]
b) [tex] \frac{5}{8} x=56[/tex]
c) 2x+5=x+10
d) x-45+78 ·3=30
e)x²-2²=21
f)[tex] \frac{4}{6} x- \frac{5}{12} = \frac{3}{12} [/tex]
1.
x+3 =60supra10
x+3=6
x=3
2.
x+30supra 3=10
x+10=10
x=0
3.
y×10 supra 5=6
y×2=6
y=3
4.
y:3=12 supra 2
y:3=6
y=2
5.
y-4 supra 2=10
y-2=10
y=8
6.
y-10 supra 1= 20
y-10=20
y=10
x+3 =60supra10
x+3=6
x=3
2.
x+30supra 3=10
x+10=10
x=0
3.
y×10 supra 5=6
y×2=6
y=3
4.
y:3=12 supra 2
y:3=6
y=2
5.
y-4 supra 2=10
y-2=10
y=8
6.
y-10 supra 1= 20
y-10=20
y=10