21y=18y+7

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Solution for 21y=18y+7 equation: 


Simplifying
21y = 18y + 7

Reorder the terms:
21y = 7 + 18y

Solving
21y = 7 + 18y

Solving for variable 'y'.

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

Add '-18y' to each side of the equation.
21y + -18y = 7 + 18y + -18y

Combine like terms: 21y + -18y = 3y
3y = 7 + 18y + -18y

Combine like terms: 18y + -18y = 0
3y = 7 + 0
3y = 7

Divide each side by '3'.
y = 2.333333333

Simplifying
y = 2.333333333

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