Раскройте скобки (-10)*(2+х+y)= (-7)*(a+b+5)= -9*(x+7+y)= 2*(5-x-y)= (-3)*(a+10-b)= 7*(x-1+y)= (-15)*(c-d-3)= 4*(a-b+8)= (-12)*(-x-y+2)=

(-10)*(2+х+y)=-20-10x-10y
(-7)*(a+b+5)=-7a-7b-35
-9*(x+7+y)=-9x-63-9y
2*(5-x-y)=10-2x-2y
(-3)*(a+10-b)=-3a-30+3b
7*(x-1+y)=7x-7+7y
(-15)*(c-d-3)=-15c+15d+45
4*(a-b+8)=4a-4b-32
(-12)*(-x-y+2)=12x+12y-144