Question

resolva as equações
10y-5*(1-4)=3(2y-2)-20
3x-10+13=2x-28

Answer 1

10y -5.(1-4)= 3(2y-2) -20
10y -5(-3)= 6y -6 -20
10y +15= 6y -26
10y -6y= -26 -15
4y= -41
y= $\frac{-41}{4}$



3x -10 +13= 2x -28
3x-2x= -28 +10 -13
x= -28 -3
x= -31