12y+19=17y-21

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Solution for 12y+19=17y-21 equation:


Simplifying
12y + 19 = 17y + -21

Reorder the terms:
19 + 12y = 17y + -21

Reorder the terms:
19 + 12y = -21 + 17y

Solving
19 + 12y = -21 + 17y

Solving for variable 'y'.

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

Add '-17y' to each side of the equation.
19 + 12y + -17y = -21 + 17y + -17y

Combine like terms: 12y + -17y = -5y
19 + -5y = -21 + 17y + -17y

Combine like terms: 17y + -17y = 0
19 + -5y = -21 + 0
19 + -5y = -21

Add '-19' to each side of the equation.
19 + -19 + -5y = -21 + -19

Combine like terms: 19 + -19 = 0
0 + -5y = -21 + -19
-5y = -21 + -19

Combine like terms: -21 + -19 = -40
-5y = -40

Divide each side by '-5'.
y = 8

Simplifying
y = 8

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