lachlyn40
lachlyn40
10.07.2019 • 
Mathematics

In which step below does a mistake first appear in simplifying the expression 0.5 (-12 + 6) - 3(c + 4) + 10(c - 5)? step one: -6c + 3 - 3(c +4) + 10(c - 5) step two: -6c + 3 - 3c - 12 + 10(c - 5) step three: -6c + 3 - 3c - 12 + 10c - 50 step four: 7c - 41 a: step 1 b: step 2 c: step 3 d: step 4

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