Question

Resolva a equação -3(7+5x)=-6/3+5(x-1)

Answer 1

-3(7+5x)= -6/3+5(x-1)
-21-15x= -6/3+5x-5
-63/3-45x/3= -6/3+15x/3-15/3
-63-45x=-6+15x-15
-45x-15x= -6-15+63
-60x= -21+63
-60x= +42
-60x= +42 . (-1)
60x= -42
X= -42/60 : 2

X=-21/30