4y-20y+55=9

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Solution for 4y-20y+55=9 equation:


Simplifying
4y + -20y + 55 = 9

Reorder the terms:
55 + 4y + -20y = 9

Combine like terms: 4y + -20y = -16y
55 + -16y = 9

Solving
55 + -16y = 9

Solving for variable 'y'.

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

Add '-55' to each side of the equation.
55 + -55 + -16y = 9 + -55

Combine like terms: 55 + -55 = 0
0 + -16y = 9 + -55
-16y = 9 + -55

Combine like terms: 9 + -55 = -46
-16y = -46

Divide each side by '-16'.
y = 2.875

Simplifying
y = 2.875

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