Answer:
4
Explanation:
Plug in 7 for d:
y= 1/2(7+1)
y=1/2(8) .... Adding what's in the parenthesis (PEMDAS)
y=4 ..... Multiply 1/2 by 8
Hope this helps:)
Let's find the value of y:
plug the value of d
Add the numbers
Calculate
Hope I helped!
Best regards!
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