Question

Resolva as equações:

a) 3 (2x-6) = 2 (5x+1) b) 5x/3=40 c) -4y+8-5y=14-6y


ME AJUDEM !!!

Answer 1

a)6x-18=10x+2
6x-10x=2+18
-4x=20
x=20/-4
x=-5

b)5x/3=40
5x=40•3
5x=120
x=120/5
x=24

c)-4y-5y+6y=14-8
-9y+6y=6
-3y=6
y=6/-3
y=-2

Answer 2

A)
 3 (2x-6) = 2 (5x+1)
6x-18=10x+2
6x-10x=2+18
-4x=20
x=20/-4
x= -5

B)
5x/3=40
5x=40.3
5x=120
x=120/5
x=24

C)
-4y+8-5y=14-6y
-9y+6y=14-8
-3y=6
y=6/-3
y= -2

Espero ter ajudado