3.75-1.5[Y+4.5]=0.75

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Solution for 3.75-1.5[Y+4.5]=0.75 equation: 


Simplifying
3.75 + -1.5[Y + 4.5] = 0.75

Reorder the terms:
3.75 + -1.5[4.5 + Y] = 0.75
3.75 + [4.5 * -1.5 + Y * -1.5] = 0.75
3.75 + [-6.75 + -1.5Y] = 0.75

Combine like terms: 3.75 + -6.75 = -3
-3 + -1.5Y = 0.75

Solving
-3 + -1.5Y = 0.75

Solving for variable 'Y'.

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

Add '3' to each side of the equation.
-3 + 3 + -1.5Y = 0.75 + 3

Combine like terms: -3 + 3 = 0
0 + -1.5Y = 0.75 + 3
-1.5Y = 0.75 + 3

Combine like terms: 0.75 + 3 = 3.75
-1.5Y = 3.75

Divide each side by '-1.5'.
Y = -2.5

Simplifying
Y = -2.5

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