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2 years ago

A set of 3 consecutive integers has a sum of 15. Which integers are they?

Mathematics

2 answers:

ludmilkaskok [199]2 years ago

5 0

The answer is 4+5+6=15.Hope that helps. :)

Elodia [21]2 years ago

3 0

Answer:

Step-by-step explanation:

Let the first number be x,

The second number (since it is consecutive) will be = x + 1

The third number (since it is right after the second) = (x+1) + 1 = x + 2

x + x + 1 + x + 2 = 15

3x + 3 = 15

3x = 15 - 3

3x = 12

x = 12/3 = 4

If the first number = 4,

Second number will be = 5 [(x+1) = 4+1]

Third number will be = 6 [(x+2) = 4 + 2]

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Eddi Din [679]

Simple,

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Making it look like...

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Cancel out the common factors...

Thus making the answer:

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3 years ago

Slove algebraically 3x - 4y = -24 x +4y=8

Vanyuwa [196]

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Solution:

We have been given two equations which are as follows:

3x - 4y = -24 ----- eqn 1

x + 4y = 8 -------- eqn 2

We have been asked to solve the equations which means we have to find the value of ‘x’ and ‘y’.

We rearrange eqn 2 as follows:

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x = 8 - 4y ------eqn 3

Now we substitute eqn 3 in eqn 1 as follows:

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Substitute "y" value in eqn 3. Therefore the value of ‘x’ becomes:

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