a)-6(2a-7)+3=-6(2*(-25)-7)+3=-6(-50-7)+3=-6*(-57)+3=342+3=345
b)11(2m-4)=11(2*(-4)-4)=11(-8-4)=11*(-12)=-132
c)10/9(3y-9)-2=10/9(3*36-9)-2=10/9*99-2=110-2=108
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a)-6(2a-7)+3=-6(2*(-25)-7)+3=-6(-50-7)+3=-6*(-57)+3=342+3=345
b)11(2m-4)=11(2*(-4)-4)=11(-8-4)=11*(-12)=-132
c)10/9(3y-9)-2=10/9(3*36-9)-2=10/9*99-2=110-2=108