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denpristay [2]
2 years ago
13

–7.24 + 4.8n − 4.77 = –0.67 + 6.9n

Mathematics
2 answers:
AVprozaik [17]2 years ago
7 0

Answer: n = -5.4

Step-by-step explanation:

Andreyy892 years ago
7 0

Answer:

n = -5.4

Step-by-step explanation:

−7.24 + 4.8n − 4.77 = −0.67 + 6.9n

Subtract 4.77 from −7.24 to get −12.01.

-12.01 + 4.8n = -0.67 + 6.9n

Subtract 6.9n from both sides

-12.01 + 4.8n - 6.9n = 0.67

Combine 4.8n and −6.9n to get −2.1n

-12.01 = 2.1n = -0.67

Add 12.01 to both sides.

-2.1n = -0.67 + 12.01

Add −0.67 and 12.01 to get 11.34.

−2.1n = 11.34

Divide both sides by −2.1.

n = \frac{1134}{-210}

Reduce the Fraction \frac{1134}{-210}  to lowest terms by extracting and canceling out 42.

n = -\frac{27}{5} = -5\frac{2}{5} = -5.4

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