3y-2+4y=19

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Solution for 3y-2+4y=19 equation: 


Simplifying
3y + -2 + 4y = 19

Reorder the terms:
-2 + 3y + 4y = 19

Combine like terms: 3y + 4y = 7y
-2 + 7y = 19

Solving
-2 + 7y = 19

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + 7y = 19 + 2

Combine like terms: -2 + 2 = 0
0 + 7y = 19 + 2
7y = 19 + 2

Combine like terms: 19 + 2 = 21
7y = 21

Divide each side by '7'.
y = 3

Simplifying
y = 3

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