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makenziemartinez
02.08.2019 •
Mathematics
3(x+2y)+5x−y+1 a) 8x+7y+1 b) 8x+y+1 c)8x+5y+1 d) 6xy+5x−y+1
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Ответ:
Step-by-step explanation:
-2/3 * 5 1/6 step 1correct
(-2/3 * 5) + (-2/3 * 1/6)his error is here...it should be like I have written it, but Calvin is getting his addition and multiplication mixed up
-10/3 + (-1/9) =
-30/9 - 1/9 =
-31/9 =
- 3 4/9
so he messed up in step 2
he is doing this : (-2/3 + 5) * (-2/3 + 1/6)...when he should be doing this :
(-2/3 * 5) + (-2/3 * 1/6)