7y-14=-21

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Solution for 7y-14=-21 equation: 


Simplifying
7y + -14 = -21

Reorder the terms:
-14 + 7y = -21

Solving
-14 + 7y = -21

Solving for variable 'y'.

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

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

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

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

Divide each side by '7'.
y = -1

Simplifying
y = -1

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