Question

4. Gasiti multimea solutiilor ecuatiei:

a) 2 ori x+3=x+8

Answer 1

2x+3=x+8|-3
2x-x=5
x=5

Answer 2

2x+3=x+8
2x-x=8-3
1x=5 apartine multimii care o ai.
S={5}