Question

3x/-7/=4x/-2/-6x/-5=

Answer 1

3 × I - 7 I  + 4 ×I -2I - 6 × I -5I = 
I -7 I = - ( -7) =7 
I -2I = - ( -2) = 2 
I -5I = - ( -5) = 5 
 = 3 × 7 + 4× 2 - 6 ×5 =
 = 21 + 8 -30 = 29 - 30 = -1  

Answer 2

$3 \cdot |-7|+4 \cdot |-2|-6 \cdot |-5|= \\ =3 \cdot 7+4 \cdot 2-6 \cdot 5= \\ =21+8-30= \\ =29-30= \\ =-1$