Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$-x+10x-21 > 0$$

Answer

x>7/3

Solution


Simplify  \(-x+10x-21\)  to  \(9x-21\).
\[9x-21>0\]
Add \(21\) to both sides.
\[9x>21\]
Divide both sides by \(9\).
\[x>\frac{21}{9}\]
Simplify  \(\frac{21}{9}\)  to  \(\frac{7}{3}\).
\[x>\frac{7}{3}\]

Decimal Form: 2.333333

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