14y+21=7y+77

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Solution for 14y+21=7y+77 equation:


Simplifying
14y + 21 = 7y + 77

Reorder the terms:
21 + 14y = 7y + 77

Reorder the terms:
21 + 14y = 77 + 7y

Solving
21 + 14y = 77 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
21 + 14y + -7y = 77 + 7y + -7y

Combine like terms: 14y + -7y = 7y
21 + 7y = 77 + 7y + -7y

Combine like terms: 7y + -7y = 0
21 + 7y = 77 + 0
21 + 7y = 77

Add '-21' to each side of the equation.
21 + -21 + 7y = 77 + -21

Combine like terms: 21 + -21 = 0
0 + 7y = 77 + -21
7y = 77 + -21

Combine like terms: 77 + -21 = 56
7y = 56

Divide each side by '7'.
y = 8

Simplifying
y = 8

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