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hichkok12 [17]
3 years ago
9

Given that 2 x − 2 y = 23 Find x when y = 9

Mathematics
2 answers:
saveliy_v [14]3 years ago
7 0

Answer:

20.5

Step-by-step explanation:

2x - 2y = 23

2x - 2(9) = 23

2x -  18 = 23

2x = 23 + 18

2x = 41

x = 20.5

gulaghasi [49]3 years ago
4 0

Answer:

x=41/2=20.5

Step-by-step explanation:

So we have the equation:

2x-2y=23

And we want to find x when y is 9.

So, substitute y for 9 and solve for x:

2x-2(9)=23

Multiply:

2x-18=23

Add 18 to both sides:

2x=41

Divide both sides by 2:

x=41/2=20.5

So, our answer is 20.5

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