4 years ago

pls help me with this if you know it also to explain it thanks Solve the equation -21 + 70n = 77 for n.

Mathematics

1 answer:

gogolik [260]4 years ago

6 0

Answer:

n = 1 2/5

Step-by-step explanation:

-21 + 70n = 77

Add 21 to each side

-21+21 + 70n = 77 +21

70n = 98

Divide each side by 70

70n/70 = 98/70

n =98/70

n = 70/70 +28/70

n = 1 + 2/5

n = 1 2/5

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