Question

find the distance between the lines 3x + 6 = 0 and x minus 7 is equal zero

Answer 1

3x+6=0 (1 value)

3x=6

x=2

x - 7=0

x=7

the toal distance is 2 * 7=14.

Answer 2

$3x + 6 = 0 \\ 3x = - 6 \\ x = - 6 \div 3 \\ x = - 2 \\ x - 7 = 0 \\ x = 7 \\ distance = 7 + ( - 2) \\ = 7 - 2 = 5$