7y+77=y-7

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Solution for 7y+77=y-7 equation:


Simplifying
7y + 77 = y + -7

Reorder the terms:
77 + 7y = y + -7

Reorder the terms:
77 + 7y = -7 + y

Solving
77 + 7y = -7 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
77 + 7y + -1y = -7 + y + -1y

Combine like terms: 7y + -1y = 6y
77 + 6y = -7 + y + -1y

Combine like terms: y + -1y = 0
77 + 6y = -7 + 0
77 + 6y = -7

Add '-77' to each side of the equation.
77 + -77 + 6y = -7 + -77

Combine like terms: 77 + -77 = 0
0 + 6y = -7 + -77
6y = -7 + -77

Combine like terms: -7 + -77 = -84
6y = -84

Divide each side by '6'.
y = -14

Simplifying
y = -14

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