7(x-9)=4x-36 first do distributive property for 7(x-9)

7x-63=4x-36 second you minus 4x from each side

3x-63=-36 next you add 63 on each side

3x=27 last u divide 3 on each side

X=9

7x-63=4x-36 second you minus 4x from each side

3x-63=-36 next you add 63 on each side

3x=27 last u divide 3 on each side

X=9