Respuesta :
So first you would subtract 10 from both sides then you would have 90-10 which is 80 so w is equal to 80
10 * w = 90 m - 15 = 20 Hope this helps you!! :)
+15 +15
10w = 90 ---- -----
----- ---- m = 35
10 10
w = 9
+15 +15
10w = 90 ---- -----
----- ---- m = 35
10 10
w = 9