liz2059 liz2059

04-03-2019
Mathematics

contestada

Help me I really can’t do this :/

Help me I really cant do this class=

Respuesta :

hannahyunzizhou hannahyunzizhou

04-03-2019

Answer:

p = 3/10

Step-by-step explanation:

p + 2/5 = 7/10

we need to isolate p, so to do that we subtract 2/5 from both sides. since 2/5 - 2/5 is 0, you can eliminate 2/5 and isolate p

p + 2/5 = 7/10

- 2/5 - 2/5

p = 7/10 - 2/5

p = 7/10 - 4/10 = 3/10 (changed 2/5 into 4/10 by multiplying both numerator and denominator by 2)

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