Answer:
x = 3.5
Explanation:
y = 2x + 2
9 = 2x + 2
7 = 2x
divide both sides by 2
3.5 = x
Hope this makes sense!
- profparis
7/2 or 3.5
step:
make x the subject which is 2x=y-2.then,simplify the 2x into 1x since the question want the value of 1 x which is x=y-2/2.next,change the y into 9(x=9-2/2) and the answer is 7/2 or you can simplify it which makes the ans 3.5
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