3y-.5-1.25y=-9

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Solution for 3y-.5-1.25y=-9 equation: 


Simplifying
3y + -0.5 + -1.25y = -9

Reorder the terms:
-0.5 + 3y + -1.25y = -9

Combine like terms: 3y + -1.25y = 1.75y
-0.5 + 1.75y = -9

Solving
-0.5 + 1.75y = -9

Solving for variable 'y'.

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

Add '0.5' to each side of the equation.
-0.5 + 0.5 + 1.75y = -9 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + 1.75y = -9 + 0.5
1.75y = -9 + 0.5

Combine like terms: -9 + 0.5 = -8.5
1.75y = -8.5

Divide each side by '1.75'.
y = -4.857142857

Simplifying
y = -4.857142857

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