-3y+2=21

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Solution for -3y+2=21 equation: 


Simplifying
-3y + 2 = 21

Reorder the terms:
2 + -3y = 21

Solving
2 + -3y = 21

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + -3y = 21 + -2

Combine like terms: 2 + -2 = 0
0 + -3y = 21 + -2
-3y = 21 + -2

Combine like terms: 21 + -2 = 19
-3y = 19

Divide each side by '-3'.
y = -6.333333333

Simplifying
y = -6.333333333

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