7+3(-х-3(х+5))=6(5-2х)+10

Question

7+3(-х-3(х+5))=6(5-2х)+10

Answer 1

7+3(-x-3(x+5))=6(5-2x)+10
7-3x-9(x+5)=30-12x+10
7-3x-9x-45=30-12x+10
-12x+12x=10+30-7+45
x=78