To simplify the expression 12E - 5F - 70 + 3F, combine like terms by adding or subtracting the coefficients of the variables with the same letter.
The terms involving F are -5F and 3F, which can be combined to give -5F + 3F = -2F.
So, the simplified expression becomes 12E - 2F - 70.
Simplify 12 E minus 5F -70+ 3F
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