51=7y+9

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Solution for 51=7y+9 equation:


Simplifying
51 = 7y + 9

Reorder the terms:
51 = 9 + 7y

Solving
51 = 9 + 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.
51 + -7y = 9 + 7y + -7y

Combine like terms: 7y + -7y = 0
51 + -7y = 9 + 0
51 + -7y = 9

Add '-51' to each side of the equation.
51 + -51 + -7y = 9 + -51

Combine like terms: 51 + -51 = 0
0 + -7y = 9 + -51
-7y = 9 + -51

Combine like terms: 9 + -51 = -42
-7y = -42

Divide each side by '-7'.
y = 6

Simplifying
y = 6

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