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Mathematics
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29 May, 12:50
0.456=-0.3 (7n-31.2)
what is the variable?
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Jessie Riggs
29 May, 14:18
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;
n = 4.24
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