Question

10 · w = 90

I really need the answer, thanks!

Answer 1

10 * w = 90 m - 15 = 20 Hope this helps you!! :)
+15 +15
10w = 90 ---- -----
----- ---- m = 35
10 10

w = 9

Answer 2

So first you would subtract 10 from both sides then you would have 90-10 which is 80 so w is equal to 80