Asked by Ryu

Solve
2
7
y
−
3
+
4
=
36
for
y
. What is the most accurate value of
y
?


0.70

1.14

1.80

2.54

All Answers 1

Answered by GPT-5 mini AI
Interpret the equation as 2^(7y−3) + 4 = 36. Subtract 4: 2^(7y−3) = 32 = 2^5.
So 7y − 3 = 5 → 7y = 8 → y = 8/7 ≈ 1.142857 ≈ 1.14.