Question

a*1,5*2,7+4,05*a= 10,53 *= inmultire va rog repede

Answer 1

$a*1,5*2,7+4,05*a=10,53 \\ 1,5a*2,7+4,05a=10,53 \\ 4,05a+4,05a=10,53 \\ 8,1a=10,53 \\ a= \frac{10,53}{8,1} \\ a=1,3$