SOLUTION: If (x, 12) is a solution to the equation 3x + 2y = 18, what is the value of x?

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Question 491732: If (x, 12) is a solution to the equation 3x + 2y = 18, what is the value of x?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

If (x, 12) is a solution to the equation 3x+%2B+2y+=+18, means y=12...plug it in

3x+%2B+2y+=+18 to find the value of x
3x+%2B+2%2A12+=+18
3x+%2B+24+=+18
3x+=+18-24
3x+=+-6
x+=+-6%2F3
x+=+-2