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Nina [5.8K]
3 years ago
8

Solve the equation for x. 2/3x- 1/9x+ 5 = 20 ​

Mathematics
2 answers:
lina2011 [118]3 years ago
8 0

Answer:

x = 27

Step-by-step explanation:

2/3 x - 1/9 x + 5 = 20           Subtract 5 from both sides

2/3 x - 1/9 x = 15                  Change 2/3 to x/9

3*2/3*3 - 1/9 x = 15

6/9 x - 1/9 x = 15

5/9 x = 15                            Multiply both sides by 9

5x / 9 * 9 = 15 * 9

5x = 135                              Divide by 5

x = 27

saw5 [17]3 years ago
7 0

Answer:

27 if variable is near the fraction,

-1/129 if variable is in the denominator and not numerator

Step-by-step explanation:

make 2/3 have the same denominator as -1/9

2/3*3/3=6/9

6/9x-1/9x=5/9

5/9x+5 = 20

20-5 = 15

5/9x = 15

15/(5/9x) -> x= -1/129

if you mean the whole equation has the variable x and no the denominator then it is equal to 27

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