4y+7y-2y=21

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Solution for 4y+7y-2y=21 equation: 


Simplifying
4y + 7y + -2y = 21

Combine like terms: 4y + 7y = 11y
11y + -2y = 21

Combine like terms: 11y + -2y = 9y
9y = 21

Solving
9y = 21

Solving for variable 'y'.

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

Divide each side by '9'.
y = 2.333333333

Simplifying
y = 2.333333333

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