Answer:
x=7
Explanation:
x = 7
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
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