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3 years ago

Instructions: Solve the following linear equation 4(n + 5) – 2(5 + 7n) = -70 n =

Mathematics

2 answers:

pshichka [43]3 years ago

6 0

Step-by-step explanation:

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daser333 [38]3 years ago

3 0

Answer:

Step-by-step explanation:

4*(n +5) - 2*(5 + 7n) = -70

4*n + 4*5 + 5*(-2) + 7n*(-2) = -70

4n + 20 - 10 - 14n = -70

4n - 14n + 20 - 10 = -70

- 10n + 10 = -70

Subtract 10 from both sides

-10n = -70 - 10

-10n = -80

Divide both sides by (-10)

n = -80/-10

n = 8

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