Question

6 probleme care se rezolva cu ajutorul ecuatiilor clasa a-vi-a (rezolvate) :D

Answer 1

a) x²=144

b) $\frac{5}{8} x=56$

c) 2x+5=x+10

d) x-45+78 ·3=30

e)x²-2²=21

f)$\frac{4}{6} x- \frac{5}{12} = \frac{3}{12}$

Answer 2

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