Gretchen has 110 coins. There are 30 more gold coins than silver coins. How many gold coins does Gretchen have?
Let x be the number of silver coins Gretchen has.
Gretchen has x+30 gold coins.
x+x+30=110
2*x=80
x=
<gadget id="calculator">40</gadget>
<output>40</output>
40.
Gretchen has 40+30=
<gadget id="calculator">40+30</gadget>
<output>70</output>
70 gold coins.

<result>70</result>