7y+9=10y

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Solution for 7y+9=10y equation:


Simplifying
7y + 9 = 10y

Reorder the terms:
9 + 7y = 10y

Solving
9 + 7y = 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
9 + 7y + -10y = 10y + -10y

Combine like terms: 7y + -10y = -3y
9 + -3y = 10y + -10y

Combine like terms: 10y + -10y = 0
9 + -3y = 0

Add '-9' to each side of the equation.
9 + -9 + -3y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -3y = 0 + -9
-3y = 0 + -9

Combine like terms: 0 + -9 = -9
-3y = -9

Divide each side by '-3'.
y = 3

Simplifying
y = 3

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