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Stells [14]
3 years ago
11

3x + (x-8) = 23 how do I solve it

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
4 0
<span>3x + (x-8) = 23

Combine like terms first. You can combine 3x and x because they have the same variable.

4x - 8 = 23
Now add 8 to both sides.
4x = 31

Last step is to divide both sides by 4 to isolate the x.
4/4x = 31/4

x = 7.75 is the answer.</span>
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Antonio ate 1/4 of a box of cereal, Jamie ate 1/8 of the box, Marianna ate 8/16 of it. What are the quantities in this situation
Molodets [167]

Answer:

so im not sure what youre asking but hopefully i can help you with this a little. if you change the fractions to all have the same denominator, it will be easier for you to solve. since they can all have eight as a denominator, antonio wouldve eaten 2/8 of a box of cereal, jamie 1/8, and marianna 4/8. hope that helps a little :)

Step-by-step explanation:

5 0
3 years ago
What will replace question mark? <br> If 1243=21 , 2415=36, 3241=25, 4521=27 then 3542=?
qwelly [4]

The answer of 3542=48, if the given is 1243=21 , 2415=36, 3241=25, 4521=27.

Step-by-step explanation:

The given is,

              1243=21

              2415=36,

              3241=25,

              4521=27

Step:1

          For, 1243 = 21

          Above is solved by,

                    (1+2)×(4+3)=21

                           (3)×(7)=21

                                 21=21

          For, 2415 = 36

          Above is solved by,

                    (2+4)×(1+5)=21

                           (6)×(6)=36

                                36=36

          For,3241= 25

          Above is solved by,

                    (3+2)×(4+1)=25

                           (5)×(5)=25

                                25=25

          For, 4521= 27

          Above is solved by,

                    (4+5)×(2+1)=27

                           (9)×(3)=27

                                 27=27    

           For, 3542 = ?

          Above is solved by,

                                     = (3+5)×(4+2)

                                     =(8)×(6)

                            3542=48

Result:

       The answer of 3542=48, if the given is 1243=21 , 2415=36, 3241=25, 4521=27.  

3 0
4 years ago
What is the slope of the line that goes through points (−3,6) and (8,9) ?
Pie

Answer:

the answer is

Step-by-step explanation:

3/11

the formula is y2-y1 / x2-x1

4 0
3 years ago
I give ten points and brainliest if you say hi
patriot [66]

Answer:

Hi hope you have a wonderful and blessed day!!!!

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Please help!!!!!!!!!!!!!!!!!!!!!!!!!!
Ierofanga [76]
When f(x) = 5, the x value for that would be 1.
4 0
3 years ago
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