zanestone12
17.12.2019 •
Mathematics
Solve the inequality: 2x +7< 21
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Ответ:
x < 7
Step-by-step explanation:
2x+7< 21
You move 7 over to the other side:
2x+7 - 7 < 21- 7
2x< 14
You then divide by 2 on both sides
x < 7
Ответ:
-8
Step-by-step explanation:
5+0=5
5+-10= -5
-5 + -3 = -8