77=4y+9

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Solution for 77=4y+9 equation:


Simplifying
77 = 4y + 9

Reorder the terms:
77 = 9 + 4y

Solving
77 = 9 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
77 + -4y = 9 + 4y + -4y

Combine like terms: 4y + -4y = 0
77 + -4y = 9 + 0
77 + -4y = 9

Add '-77' to each side of the equation.
77 + -77 + -4y = 9 + -77

Combine like terms: 77 + -77 = 0
0 + -4y = 9 + -77
-4y = 9 + -77

Combine like terms: 9 + -77 = -68
-4y = -68

Divide each side by '-4'.
y = 17

Simplifying
y = 17

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