
equation

Quote:
Originally Posted by
bree 5x+5+7x=47+5x
Adding like terms we get $\displaystyle 11x+5=47+5x$
Subtracting 5x from both sides we get $\displaystyle 6x+5=47$
Subtracting 5 from both sides we get $\displaystyle 6x=42$
Dividing both sides by 6 we get
$\displaystyle x=\frac{42}{6}=7$