3y+7-y-16=9

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Solution for 3y+7-y-16=9 equation:


Simplifying
3y + 7 + -1y + -16 = 9

Reorder the terms:
7 + -16 + 3y + -1y = 9

Combine like terms: 7 + -16 = -9
-9 + 3y + -1y = 9

Combine like terms: 3y + -1y = 2y
-9 + 2y = 9

Solving
-9 + 2y = 9

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 2y = 9 + 9

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

Combine like terms: 9 + 9 = 18
2y = 18

Divide each side by '2'.
y = 9

Simplifying
y = 9

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