Question

calcule as equações do 1*grau 9X+3X+4(X-2)=-6X+8+x

Answer 1

9x+3x+4(x-2) = -6x+8+x
12x+4x-8 = -6x+x+8
16x+6x-x = +8+8
22x - x = 16
21x = 16
x = 16/21

Answer 2

9x + 3x + 4x - 8 = -6x +8  + x
16x +6x - x = 16
21x=16
x=16/21