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Mice21 [21]
3 years ago
13

Solve the following equation by using the addition principle. Check the solution.

Mathematics
2 answers:
Oliga [24]3 years ago
8 0

Step-by-step explanation:

-  \frac{4}{5}  + y =  -  \frac{1}{4}  \\ y =  \frac{ - 1}{4}  +  \frac{4}{5}  \\ y =  \frac{ - 5 + 16}{20}  \\ y =  \frac{11}{20}

y =  \frac{11}{20}

omeli [17]3 years ago
3 0

Answer:

y = 11/20

Step-by-step explanation:

-4/5 + y = -1/4

Add 4/5 to each side

-4/5  +4/5 + y = -1/4+4/5

y = -1/4 + 4/5

Get a common denominator

y = -1/4 *5/5   + 4/5 *4/4

y = -5/20 + 16/20

y = 11/20

Check

-4/5 +11/20 = -1/4

Get a common denominator

-4/5*4/4 + 11/20 = -1/4*5/5

-16/20 +11/20 = -5/20

-5/20 = - 5/20

Check

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