How do you solve $7n+4-5n\leq 2(n+2)$ ?

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Answer 1 · 2018-06-21T12:59:04

$n$ may have any value.

Work out the brackets and put the $n$ 's together:

$7n-5n+4<=2n+2*2->$

$2n+4<=2n+4$

Which is only true if:

$2n+4=2n+4$

And this is true for every $n$ .

How do you solve 7n+4-5n\leq 2(n+2)7n+4-5n\leq 2(n+2)?