7y+4=9y

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Solution for 7y+4=9y equation:


Simplifying
7y + 4 = 9y

Reorder the terms:
4 + 7y = 9y

Solving
4 + 7y = 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
4 + 7y + -9y = 9y + -9y

Combine like terms: 7y + -9y = -2y
4 + -2y = 9y + -9y

Combine like terms: 9y + -9y = 0
4 + -2y = 0

Add '-4' to each side of the equation.
4 + -4 + -2y = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -2y = 0 + -4
-2y = 0 + -4

Combine like terms: 0 + -4 = -4
-2y = -4

Divide each side by '-2'.
y = 2

Simplifying
y = 2

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