Question

Как решить 14×(x+2)-39=45

Answer 1

$14x + 28 - 39 = 45 \\ 14x = 45 - 28 + 39 \\ 14x = 56 \\ x = \frac{56}{14} = 4$

Answer 2

14×(x+2)-39=45
14×(x+2)=45+39
14×(x+2)=84
X+2=84:14
X+2=6
X=6-2
X=4