-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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