Question

40*P-500=300

360-(2*a+64)=278

Answer 1

40p=300+500
40p=800
p=800:40
p=20

2a+64=360-278
2a+64=82
2a=82-64
2a=18
a=9

360-(2x9+64)=360-82=278 verificare

Answer 2

[tex]40p=300+500\\ 40p=800\\ p=800:40\\ \bold{p=20}\\\\ 2a+64=360-278\\ 2a+64=82\\ 2a=82-64\\ 2a=18\\ \bold{a=9}\\[/tex]