Solve for y
y=-40542.52825
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y≔-40542.52825
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y=8.1109+\frac{0.5\left(7.7217-81109\right)}{5-4}
Subtract 4 from 4.5 to get 0.5.
y=8.1109+\frac{0.5\left(-81101.2783\right)}{5-4}
Subtract 81109 from 7.7217 to get -81101.2783.
y=8.1109+\frac{-40550.63915}{5-4}
Multiply 0.5 and -81101.2783 to get -40550.63915.
y=8.1109+\frac{-40550.63915}{1}
Subtract 4 from 5 to get 1.
y=8.1109-40550.63915
Anything divided by one gives itself.
y=-40542.52825
Subtract 40550.63915 from 8.1109 to get -40542.52825.
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