6y+7y=21

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Solution for 6y+7y=21 equation: 


Simplifying
6y + 7y = 21

Combine like terms: 6y + 7y = 13y
13y = 21

Solving
13y = 21

Solving for variable 'y'.

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

Divide each side by '13'.
y = 1.615384615

Simplifying
y = 1.615384615

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