Write an equation by setting the variable n equal to the given decimal . n =
1 answer:
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To solve this, set up the equation, 90% of x being .9*x=57. Then, solve for x, x=57/.9=
=6.333
Answer:
Step-by-step explanation:
5x4+20x3-105x2
5x2( x^2 +4x -21)