asked 108k views
1 vote
Subtract.

a. (21x)-(-16+7x)
b. (-13n)-(17-5n)
c.(4y-7)-(y-7)
d.(-w+0.4)-(-w-0.4)

asked
User PrvN
by
8.2k points

1 Answer

1 vote
a. (21x)-(-16+7x)
21x+16-7x
14x+7
b
(-13n)-(17-5n)
-13n-17+5n
-8n-17

c
(4y-7)-(y-7)
4y-7-y+7
3y

d
(-w+0.4)-(-w-0.4)
-w+0.4+w+0.4
0.8
answered
User Hamed Navvabian
by
8.9k points
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