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What is seven more than twice a number is less than negative thirteen

User Kaltresian
by
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2 Answers

4 votes

To express this mathematically, you can use an inequality. Let "x" be the unknown number:

2x + 7 < -13

Now, solve for "x" by isolating it on one side of the inequality:

2x + 7 < -13

Subtract 7 from both sides:

2x < -13 - 7

2x < -20

Now, divide both sides by 2 to find the value of "x":

x < -20 / 2

x < -10

So, the solution is x is less than -10

User Tetha
by
8.1k points
5 votes

Explanation:

x = number

twice this number = 2x

seven more than this is 2x + 7

2x + 7 < - 13

if you want to solve it :

subtract '7' from both sides to get

2x < - 20 divide both sides by 2

x < -10

User Maurits Moeys
by
7.3k points