Question

AFLATI NUMARUL X.
A ) 2 * X +3 EGAL 9


B) 3+5*5
C ) 4*X -6 egal 18
d) 7-3*x egal 1

Answer 1

2*x+3=9
2*x=9-3
2*x=6
x=6:2
x=3

3+5*5=3+25=28

4*x-6=18
4*x=18+6
4*x=24
x=24:4
x=6

7-3*x=1
3*x=7-1
3*x=6
x=6:3
x=2