20=16y-16-25y-45

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Solution for 20=16y-16-25y-45 equation:


Simplifying
20 = 16y + -16 + -25y + -45

Reorder the terms:
20 = -16 + -45 + 16y + -25y

Combine like terms: -16 + -45 = -61
20 = -61 + 16y + -25y

Combine like terms: 16y + -25y = -9y
20 = -61 + -9y

Solving
20 = -61 + -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
20 + 9y = -61 + -9y + 9y

Combine like terms: -9y + 9y = 0
20 + 9y = -61 + 0
20 + 9y = -61

Add '-20' to each side of the equation.
20 + -20 + 9y = -61 + -20

Combine like terms: 20 + -20 = 0
0 + 9y = -61 + -20
9y = -61 + -20

Combine like terms: -61 + -20 = -81
9y = -81

Divide each side by '9'.
y = -9

Simplifying
y = -9

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