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1. Solve: -3 < 2x + 7 < 13

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User Mfc
by
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1 Answer

1 vote

We will solve as follows:


-3<2x+7<13=-10<2x<6[tex]=-5We solve as if it were a simple function, in our case these are the steps to follow:

*We subtract 7 from all expressions.

*We then divide by 2 all expressions.

*Now, we have solved for x, and therefore for each side of the inequality.

The main objective is to "leave" x alone, and the other sides of the inequation will be the answer.

answered
User Paynestrike
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7.2k points

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