2(5+x) = 10+2x
-4(3-a)=-12+4a
6(5-c) +7 = 30-6c+7=37-6c
4(2n+3m)-6m-8n= 8n+12m-6m-8n= 6m
-(-10n+12)-14= 10n-12-14= 10n-26
7(-y+2)-(my)= -7y+14-my
18-(3a+10)=-54a+180
2(5+x) = 10+2x
-4(3-a)=-12+4a
6(5-c) +7 = 30-6c+7=37-6c
4(2n+3m)-6m-8n= 8n+12m-6m-8n= 6m
-(-10n+12)-14= 10n-12-14= 10n-26
7(-y+2)-(my)= -7y+14-my
18-(3a+10)=-54a+180