3y+2=y+9

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Solution for 3y+2=y+9 equation:


Simplifying
3y + 2 = y + 9

Reorder the terms:
2 + 3y = y + 9

Reorder the terms:
2 + 3y = 9 + y

Solving
2 + 3y = 9 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
2 + 3y + -1y = 9 + y + -1y

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

Combine like terms: y + -1y = 0
2 + 2y = 9 + 0
2 + 2y = 9

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

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

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

Divide each side by '2'.
y = 3.5

Simplifying
y = 3.5

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