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25. In which step below does a mistake first appear in simplifying the expression 0.5(-12c + 6) - 3(C+ 4) + 10(c - 5)? Step 1: -6c + 3 – 3(c + 4) + 10(c – 5) Step 2: -6c + 3 – 36 – 12 + 10(0 – 5) Step 3: -6c + 3 – 36 – 12 + 100 – 50 Step 4: 7c _ 41A. Step 2B. Step 1C. Step 4D. Step 3

Sagot :

the given expression is,

0.5(-12c + 6) - 3(C+ 4) + 10(c - 5)

= -6c + 3 - 3(c+4) + 10 (c -5)

= -6c + 3 - 3c -12 + 10(c - 5)

= - 6c + 3 - 3c - 12 + 10c - 50

= C - 59

so, the mistake is in step 2

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