3y-8=9+7y

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Solution for 3y-8=9+7y equation:


Simplifying
3y + -8 = 9 + 7y

Reorder the terms:
-8 + 3y = 9 + 7y

Solving
-8 + 3y = 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.
-8 + 3y + -7y = 9 + 7y + -7y

Combine like terms: 3y + -7y = -4y
-8 + -4y = 9 + 7y + -7y

Combine like terms: 7y + -7y = 0
-8 + -4y = 9 + 0
-8 + -4y = 9

Add '8' to each side of the equation.
-8 + 8 + -4y = 9 + 8

Combine like terms: -8 + 8 = 0
0 + -4y = 9 + 8
-4y = 9 + 8

Combine like terms: 9 + 8 = 17
-4y = 17

Divide each side by '-4'.
y = -4.25

Simplifying
y = -4.25

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