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What is the value of x in the equation 3x - 1/9y = 18, when y = 27?

What is the value of x in the equation 3x - 1/9y = 18, when y = 27?-example-1
User Bitbyter
by
6.8k points

2 Answers

6 votes

Answer:

x=7

Explanation:

User Oyilmaztekin
by
7.6k points
1 vote

Answer:

x = 7

Explanation:

3x - (1/9)y = 18

*subsitute y as 27, because they are equal to each other*

3x - (1/9)(27) = 18

*multiply and simplify)

3x - (27/9) = 18

*isolate x*

3x - 3 = 18

3x = 21

x = 7

User Antoine Van Gelder
by
7.4k points