-6y+-21=-18

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Solution for -6y+-21=-18 equation: 


Simplifying
-6y + -21 = -18

Reorder the terms:
-21 + -6y = -18

Solving
-21 + -6y = -18

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + -6y = -18 + 21

Combine like terms: -21 + 21 = 0
0 + -6y = -18 + 21
-6y = -18 + 21

Combine like terms: -18 + 21 = 3
-6y = 3

Divide each side by '-6'.
y = -0.5

Simplifying
y = -0.5

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