Question

4x + 7 < 11 or 1 – x ≤ -2 Please help I cannot figure this one out. One-Variable Compound Inequalities

Answer 1

Not sure on this set at all'

Answer 2

Sorry meant 4x +7 < 11

Answer 3

Do I subtract the 4 from both ends?

Answer 4

Can you solve for x in the equation 4x +7 = 11

Answer 5

4x + 7 < 11
4x-4+7<11-4
X+7<8

Answer 6

First you need to get the unknown variable a(4x) on one side of the equation. How would you do that?

Answer 7

You cannot subtract 4 because it is part of the multiplied by x.

Answer 8

sorry I am lost

Answer 9

would I subtract the 7 then

Answer 10

Bingo. So waht would the equation look like now?

Answer 11

4x-7+7-7<11-4

Answer 12

4x-7+7<-4

Answer 13

Correct. Can you simplify the equation?

Answer 14

sorry not really

Answer 15

-7 +7 = ?

Answer 16

0

Answer 17

So in our equation to simplify 4x-7+7< -4. Since -7+7 = 0 we end up with 4x<-4. Now we need to solve for x. Can you?

Answer 18

I think so, sorry have an problem with little one will be back later thank you fro all your help