Question

Find k,so that x=3 is a solution of the equation kx + 8=x-7

Answer 1

Step-by-step explanation:

If x=3 then we have,

K×3+8=3-7

11k=-4

Then k, =

-4/11 answer

Answer 2

• x=3 (Given)
• kx+8-(x-7)
• kx+8-x+7

put value of x in it

• k(3)+8-3+7
• 3k+12
• 3k= -12
• k = -12/3
• k = -4