Question

a+3a+(a÷4)-1+5 (a÷2)=53. a=?

Answer 1

$a+3a+ \frac{a}{4} -1+5( \frac{a}{2})=53 \\ \\ 4a+\frac{a}{4}+ \frac{5a}{2} =53+1 \\ \\ 16a+a+10a=54*4 \\ \\ 27a=216 \\ \\ a=216:27 \\ \\ a=8$