First you have to distribute so it will be 10m=10-5m+35. Then you add like terms so the 10 and 35 which would be 45. So at this point you have 10m=45-5m. Next, you add the 5m to the 10m which gives you 15m=45. Last you divide each side by 15 on both sides, so you get m=3. Hope that helped!