-2-4y=-21

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


Simplifying
-2 + -4y = -21

Solving
-2 + -4y = -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 + -4y = -21 + 2

Combine like terms: -2 + 2 = 0
0 + -4y = -21 + 2
-4y = -21 + 2

Combine like terms: -21 + 2 = -19
-4y = -19

Divide each side by '-4'.
y = 4.75

Simplifying
y = 4.75

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