20y-16=19y-9

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Solution for 20y-16=19y-9 equation:


Simplifying
20y + -16 = 19y + -9

Reorder the terms:
-16 + 20y = 19y + -9

Reorder the terms:
-16 + 20y = -9 + 19y

Solving
-16 + 20y = -9 + 19y

Solving for variable 'y'.

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

Add '-19y' to each side of the equation.
-16 + 20y + -19y = -9 + 19y + -19y

Combine like terms: 20y + -19y = 1y
-16 + 1y = -9 + 19y + -19y

Combine like terms: 19y + -19y = 0
-16 + 1y = -9 + 0
-16 + 1y = -9

Add '16' to each side of the equation.
-16 + 16 + 1y = -9 + 16

Combine like terms: -16 + 16 = 0
0 + 1y = -9 + 16
1y = -9 + 16

Combine like terms: -9 + 16 = 7
1y = 7

Divide each side by '1'.
y = 7

Simplifying
y = 7

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