Question

mă ajută cineva : ( 5 x y +7): 24 =13

Answer 1

$(5 \times y + 7) : 24 = 13 \\ \\ 5y + 7 = 13 \times 24 = 312 \\ \\ 5y = 312 - 7 = 305 \\ \\ y = \frac{305}{5} = 61$

Answer 2

(5 x y +7): 24 =13 <=> 5y + 7 = 13 x 24 <=> 5y + 7 = 312

5y = 312-7 => 5y = 305 => y = 305: 5 => y = 61