Question

resolva as equações. 5 (×+2) -2 (3×-1)=13

Answer 1

5(x+2)-2(3x-1) = 13
5x + 10 -6x + 2 = 13
-1x +12 = 13
-1x = 13-12
-x = 1 .(-1)
X = -1

Answer 2

5 (x+2) -2 (3 x-1)=13
5+2x-2+2x=13
2x+2x=13-5+2
4x=10
x=10/4
x=2,4