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umka2103 [35]
3 years ago
14

The value of x for which the expressions 3x – 4 and 2x + 1 become

Mathematics
2 answers:
Natasha2012 [34]3 years ago
8 0

Answer:

5

Step-by-step explanation:

1) make them equal to each other

2) put all the constants on one side and all the ones with x on the other

3) solve

kozerog [31]3 years ago
4 0

Answer:

x=5

Step-by-step explanation:

To determine for which value of x a pair of expressions will be equal, we will need to set them equal to each other and then solve for x.

3x-4=2x+1

First, we can add 4 to each side

3x=2x+5

Now we can subtract 2x from each side

x=5

Now, just to check our answer, we can plug in our answer back into the original equation to see whether we get the same result for each side

3(5)-4=2(5)+1\\\\15-4=10+1\\\\11=11

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