18y-21=2y-19

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Solution for 18y-21=2y-19 equation:


Simplifying
18y + -21 = 2y + -19

Reorder the terms:
-21 + 18y = 2y + -19

Reorder the terms:
-21 + 18y = -19 + 2y

Solving
-21 + 18y = -19 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-21 + 18y + -2y = -19 + 2y + -2y

Combine like terms: 18y + -2y = 16y
-21 + 16y = -19 + 2y + -2y

Combine like terms: 2y + -2y = 0
-21 + 16y = -19 + 0
-21 + 16y = -19

Add '21' to each side of the equation.
-21 + 21 + 16y = -19 + 21

Combine like terms: -21 + 21 = 0
0 + 16y = -19 + 21
16y = -19 + 21

Combine like terms: -19 + 21 = 2
16y = 2

Divide each side by '16'.
y = 0.125

Simplifying
y = 0.125

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