3y=-8+21

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Solution for 3y=-8+21 equation: 


Simplifying
3y = -8 + 21

Combine like terms: -8 + 21 = 13
3y = 13

Solving
3y = 13

Solving for variable 'y'.

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

Divide each side by '3'.
y = 4.333333333

Simplifying
y = 4.333333333

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