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b) 2b+(-10c)+(-3d)+4e= 2b - 10c - 3d + 4e
c) 8a+(-4b)+(-5c)+(-8d)= 8a - 4b - 5c - 8d
d) 5x +(-3y)+(-2z)+5= 5x - 3y - 2z + 5
e) 7d+(-5c)+(-e)+7= 7d - 5c - e +7
b)2b-10c-3d+4e
c)8a-4b-5c-8d
d)5x-3y-2z+5
e)7d-5c-e+7
b)2b-10c-3d+4e
c)8a-4b-5c-8d
d)5x-3y-2z+5
e)7d-5c-e+7