y-6y-21=-9

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Solution for y-6y-21=-9 equation:


Simplifying
y + -6y + -21 = -9

Reorder the terms:
-21 + y + -6y = -9

Combine like terms: y + -6y = -5y
-21 + -5y = -9

Solving
-21 + -5y = -9

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 + -5y = -9 + 21

Combine like terms: -21 + 21 = 0
0 + -5y = -9 + 21
-5y = -9 + 21

Combine like terms: -9 + 21 = 12
-5y = 12

Divide each side by '-5'.
y = -2.4

Simplifying
y = -2.4

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