3 years ago

1.3n-0.03=-9 (solve for n) grade lvl. 7

Mathematics

1 answer:

bazaltina [42]3 years ago

4 0

Hello from MrBillDoesMath!

Answer:

-6.9

Discussion:

1.3n - 0.03 = -9 => multiply both sides by 100

130n - 3 = -900 =>

130n = -900 +3 = -897 => add 3 to both sides

n = -897/130 =>

n = - (69 * 13)/ (10*13) =>

n = - 69/10 = - 6.9

Thank you,

MrB

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