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ashleybarrera2000
31.01.2020 •
Mathematics
What is 22.9 % interest on a $3000 loan
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Ответ:
substitute the solution n = -2 into the equation
1.4n + 2 = 2n + 3.2
1.4(-2) + 2 = 2(-2) + 3.2
-2.8 + 2 = -4 + 3.2
-0.8 = - 0.8
n = -2 makes the equation becomes true
so
Yes, n = -2 is the solution of the equation