Mr.Rosenthalis gettingreadytobuildadog house.Hebuyssomewood for$33,someshinglesfor$12, andsomescrewsfor$7.About howmuchdoeshespe
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After staring at this for a few seconds, I think the equation
is asking you to simplify the left hand side so that it has a form matching the right hand side, and [1] and [2] are placeholders. My guess is that they're supposed to be integers.
Notice that
Then multiplying by -5, we have
so I believe [1] = -25, and [2] = 6.
