ANSWER
y = 18
Step-by-step explanation
We are given that:
y - 2x = 3
We want to solve for x = 3.
To do this, we put the value of x as 3, that is:
y - 2(3) = 12
y - 6 = 12
Collect like terms:
y = 12 + 6
That is the answer.
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