3y=42-4y

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Solution for 3y=42-4y equation: 


Simplifying
3y = 42 + -4y

Solving
3y = 42 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
3y + 4y = 42 + -4y + 4y

Combine like terms: 3y + 4y = 7y
7y = 42 + -4y + 4y

Combine like terms: -4y + 4y = 0
7y = 42 + 0
7y = 42

Divide each side by '7'.
y = 6

Simplifying
y = 6

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