Question

1.(a+81:9)×5=295
2. (b×4+20):2=54

Answer 1

1. (a+9)* 5=295
Paranteza o notam cu p=>
=>p*5=295
p=295:5
p=59=>
=> pe p il inlocuim in paranteza=>
=> a+9=59
a=59-9
a=50
2. (b*4+20):2=54
Paranteza=p=>
=>p:2=54
p=54*2
p=108
b*4+20=108
b*4=108-20
b*4=88
b=88:4
b=22
*= ori
Sper ca te-am ajutat! :)