You went shopping for classroom supplies. You bought 255 blue pens, 100 red pens, and 189 green pens. How many pens did you buy
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Since EF=FG, you can set 6x - 10 = to 3x + 11
Then add like terms
so,
Now you can divide by 3 to get
:)
then put it back into
so,
Then add like terms
so,
Now you can divide by 3 to get
then put it back into
so,