Question

Rezolvati:
3 3
a)x + -- =2 --
5 4

1 5
b) x- 2 -- = --
2

Answer 1

X+33=254 x+54=233
X=254-33 x=233-54
X=221 x=179

X-215=2 x-22=15
X=215+2 x=15+22
X=217 x=37