Question

найдите корень уравнения 5(х - 7)=3

Answer 1

5(х-7)=3

5х-35=3

5x=3+35=38

x=38/5=7.6

Answer 2

$5(x - 7) = 3 \\ 5x - 35 = 3 \\ 5x = 38 \: \: \: \: x = 7 \frac{3}{5}$