-8y-7=6y+21

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Solution for -8y-7=6y+21 equation:


Simplifying
-8y + -7 = 6y + 21

Reorder the terms:
-7 + -8y = 6y + 21

Reorder the terms:
-7 + -8y = 21 + 6y

Solving
-7 + -8y = 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.
-7 + -8y + -6y = 21 + 6y + -6y

Combine like terms: -8y + -6y = -14y
-7 + -14y = 21 + 6y + -6y

Combine like terms: 6y + -6y = 0
-7 + -14y = 21 + 0
-7 + -14y = 21

Add '7' to each side of the equation.
-7 + 7 + -14y = 21 + 7

Combine like terms: -7 + 7 = 0
0 + -14y = 21 + 7
-14y = 21 + 7

Combine like terms: 21 + 7 = 28
-14y = 28

Divide each side by '-14'.
y = -2

Simplifying
y = -2

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