3y+6+4y=20

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Solution for 3y+6+4y=20 equation: 


Simplifying
3y + 6 + 4y = 20

Reorder the terms:
6 + 3y + 4y = 20

Combine like terms: 3y + 4y = 7y
6 + 7y = 20

Solving
6 + 7y = 20

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 7y = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 7y = 20 + -6
7y = 20 + -6

Combine like terms: 20 + -6 = 14
7y = 14

Divide each side by '7'.
y = 2

Simplifying
y = 2

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