17+3y=21

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Solution for 17+3y=21 equation: 


Simplifying
17 + 3y = 21

Solving
17 + 3y = 21

Solving for variable 'y'.

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

Add '-17' to each side of the equation.
17 + -17 + 3y = 21 + -17

Combine like terms: 17 + -17 = 0
0 + 3y = 21 + -17
3y = 21 + -17

Combine like terms: 21 + -17 = 4
3y = 4

Divide each side by '3'.
y = 1.333333333

Simplifying
y = 1.333333333

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