The slope of a line is 2/3 what is the slope of a line that is perpendicular to this line

Step-by-step explanation:

let the slope for the  perpendicular to given line : m

you have : m ×2/3 = - 1

2m = - 3

so : m = -3/2

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x