-5y-12=6y+21

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Solution for -5y-12=6y+21 equation:


Simplifying
-5y + -12 = 6y + 21

Reorder the terms:
-12 + -5y = 6y + 21

Reorder the terms:
-12 + -5y = 21 + 6y

Solving
-12 + -5y = 21 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
-12 + -5y + -6y = 21 + 6y + -6y

Combine like terms: -5y + -6y = -11y
-12 + -11y = 21 + 6y + -6y

Combine like terms: 6y + -6y = 0
-12 + -11y = 21 + 0
-12 + -11y = 21

Add '12' to each side of the equation.
-12 + 12 + -11y = 21 + 12

Combine like terms: -12 + 12 = 0
0 + -11y = 21 + 12
-11y = 21 + 12

Combine like terms: 21 + 12 = 33
-11y = 33

Divide each side by '-11'.
y = -3

Simplifying
y = -3

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