3y-5+4y=16

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Solution for 3y-5+4y=16 equation:


Simplifying
3y + -5 + 4y = 16

Reorder the terms:
-5 + 3y + 4y = 16

Combine like terms: 3y + 4y = 7y
-5 + 7y = 16

Solving
-5 + 7y = 16

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + 7y = 16 + 5

Combine like terms: -5 + 5 = 0
0 + 7y = 16 + 5
7y = 16 + 5

Combine like terms: 16 + 5 = 21
7y = 21

Divide each side by '7'.
y = 3

Simplifying
y = 3

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