Question

7(4-3х)-(8,5-х)=4-3(х-8)

Answer 1

7(4-3x)-(85-x)=4-3(x-8) 
28-21x-8,5+x=4-3x+24
-21x+x+3x=4+24-28+8,5
-17x=85
x=-5
7(4-3*(-5))-(85-(-5))=4-3(-5-8))