2 years ago

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

Mathematics

2 answers:

ruslelena [56]2 years ago

7 0

Answer: the answer is c

Step-by-step explanation:

sdas [7]2 years ago

6 0

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

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