Lillygarcia
Lillygarcia Lillygarcia
  • 19-09-2015
  • Mathematics
contestada

Solve multi step equation
3(5x-2)+4x = 9x+6-2x

Respuesta :

Gomez1 Gomez1
  • 19-09-2015
3(5x-2)+4x=9x+6-2x
3(5x-2)+4x=7x+6
Distributing 3 through parentheses
3•5x-3•2+4x=7x+6
15x-3•2+4x=7x+6
15x-6+4x=7x+6
19x-6=7x+6 substract 7x
-7x -7x
19x-6-7x=6
12x-6=6 add 6
+6 +6
12x=6+6
12x=12 divide by 12
/12 /12
x=12/12
x=1 solved for x
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