Respuesta :
(-x.3-x)+(6x×2+6x-7) Explain Steps ⬇️
(-3x-x)+(12x+6x-7)
(-4x)+(18x-7)
-4x+18x-7
Solution 14x-7
(-3x-x)+(12x+6x-7)
(-4x)+(18x-7)
-4x+18x-7
Solution 14x-7