xojade
06.04.2020 •
Mathematics
What is the answer? if x=3?
3(x+7-2) + 45?
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Ответ:
-21
Step-by-step explanation:
Replace x by given value
3(x+7-2) + 45
➡
3×(3+7-2) + 45 do the inside the parenthesis first
➡
3×8 - 45 = -21
Ответ: