40.75+-0.25y+3(40.75+-0.25)+17=180

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Solution for 40.75+-0.25y+3(40.75+-0.25)+17=180 equation: 


Simplifying
40.75 + -0.25y + 3(40.75 + -0.25) + 17 = 180

Combine like terms: 40.75 + -0.25 = 40.5
40.75 + -0.25y + 3(40.5) + 17 = 180

Multiply 3 * 40.5
40.75 + -0.25y + 121.5 + 17 = 180

Reorder the terms:
40.75 + 121.5 + 17 + -0.25y = 180

Combine like terms: 40.75 + 121.5 = 162.25
162.25 + 17 + -0.25y = 180

Combine like terms: 162.25 + 17 = 179.25
179.25 + -0.25y = 180

Solving
179.25 + -0.25y = 180

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-179.25' to each side of the equation.
179.25 + -179.25 + -0.25y = 180 + -179.25

Combine like terms: 179.25 + -179.25 = 0.00
0.00 + -0.25y = 180 + -179.25
-0.25y = 180 + -179.25

Combine like terms: 180 + -179.25 = 0.75
-0.25y = 0.75

Divide each side by '-0.25'.
y = -3

Simplifying
y = -3

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