Question

solutia naturala a ecuatiei 2x+7=19 este.....

Answer 1

Prima oara scazi 7 si da ca 2x=12 Dupa imparti la 2 12%2=6;
x=6

Answer 2

$2x+7=19 \Rightarrow 2x = 19-7 \Rightarrow 2x = 12\Rightarrow x = \frac{12}{6} \Rightarrow x = 2$