Question

pfv gente me ajudem preciso pra amanhã ​

Answer 1

x=5

2x=2∗5=10

3x+1=3∗5+1=15+1=16

9−x=9−5=4

x−15=5−15=−10

x

2

=5

2

=25

2x

2

−1=2∗5

2

−1=2∗25−1=50−1=49