4y-55-20y=9

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


Simplifying
4y + -55 + -20y = 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 = 64
-16y = 64

Divide each side by '-16'.
y = -4

Simplifying
y = -4

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