3(y+4)=3(y+7)

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Solution for 3(y+4)=3(y+7) equation: 


Simplifying
3(y + 4) = 3(y + 7)

Reorder the terms:
3(4 + y) = 3(y + 7)
(4 * 3 + y * 3) = 3(y + 7)
(12 + 3y) = 3(y + 7)

Reorder the terms:
12 + 3y = 3(7 + y)
12 + 3y = (7 * 3 + y * 3)
12 + 3y = (21 + 3y)

Add '-3y' to each side of the equation.
12 + 3y + -3y = 21 + 3y + -3y

Combine like terms: 3y + -3y = 0
12 + 0 = 21 + 3y + -3y
12 = 21 + 3y + -3y

Combine like terms: 3y + -3y = 0
12 = 21 + 0
12 = 21

Solving
12 = 21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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