Question

aflati valoarea lui a :
2*(a+4*6-3*7)=15+6/2*3
repede va rog dau 28 puncte

Answer 1

2*(a+4*6-3*7)=15+6/2*3 <=> 
2*a + 2* 24 - 2*21=15+3/3<=>
2*a=16+42-48
a=10/2
a=5

Answer 2

2(a+24-21)=15+3×3
2(a+3)=15+9
2a+6=24
2a=24-6
2a=18
a=9