21-1y+.25=9

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Solution for 21-1y+.25=9 equation:


Simplifying
21 + -1y + 0.25 = 9

Reorder the terms:
21 + 0.25 + -1y = 9

Combine like terms: 21 + 0.25 = 21.25
21.25 + -1y = 9

Solving
21.25 + -1y = 9

Solving for variable 'y'.

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

Add '-21.25' to each side of the equation.
21.25 + -21.25 + -1y = 9 + -21.25

Combine like terms: 21.25 + -21.25 = 0.00
0.00 + -1y = 9 + -21.25
-1y = 9 + -21.25

Combine like terms: 9 + -21.25 = -12.25
-1y = -12.25

Divide each side by '-1'.
y = 12.25

Simplifying
y = 12.25

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