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sashaice [31]
4 years ago
10

0.456=-0.3(7n-31.2) what is the variable?

Mathematics
1 answer:
Artist 52 [7]4 years ago
5 0

Rewrite the equation as;

-0.3(7n - 31.2) = 0.456

Divide each term by 0.3 and simplify;

-7n + 31.2 = 1.52

Move all terms not containing n to the right side of the equation;

-7n = -29.68

Divide each term by -7 and simplify;

<u>n = 4.24 </u>

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