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What is the value of x in the equation 3x – y = 18, when y = 27?

What is the value of x in the equation 3x – y = 18, when y = 27?
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4 votes
What is the value of x in the equation 3x – y = 18, when y = 27?

User Carlos Eduardo
by
8.6k points

2 Answers

5 votes
3x-27=18
+27 +27
3x=45
/3 /3
x= 15
User Sarthak Mishra
by
8.8k points
5 votes
y = 27

3x-y =18
Lets substitute the equation
= 3x- 27 = 18
3x = 18 + 27
3x = 45
x = 45/3
x = 15

So, lets check if the answer is right

3x- y = 18
3*15 - 27 = 18
45- 27 = 18
18= 18 CORRECT !

Therefore, the value of x is 15


User Wendigooor
by
8.1k points
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