Question

2*a*100-46*10=340
cum se rezolva ?

Answer 1

2*a*100-46*10=340
2*a*100-460=340
2a*100=340+460
2a*100=800
a=800:100
2a=8
a=8:2
a=4
proba
2*4*100-46*10=340
8*100-460=340
800-460=340

Answer 2

2*a*100-46*10=340
grupam in paranteza:
(2*100*a)-(46*10)=340
(200*a)-460=340
200*a=340+460
200*a=800
a=800:200
a=4