Solve 7p + 8p - 12 = 59
2 answers:
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Step 1: write the number as a product, helps visualizing common factors.
I've marked things being repeating, so, group them up
Now you have a common factor again
Extra, if you want to split the first one, you can see it as the difference of
and 
which is further split into
I've marked things being repeating, so, group them up
Now you have a common factor again
Extra, if you want to split the first one, you can see it as the difference of