-2+y+7=3y+9

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Solution for -2+y+7=3y+9 equation:


Simplifying
-2 + y + 7 = 3y + 9

Reorder the terms:
-2 + 7 + y = 3y + 9

Combine like terms: -2 + 7 = 5
5 + y = 3y + 9

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

Solving
5 + y = 9 + 3y

Solving for variable 'y'.

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

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

Combine like terms: y + -3y = -2y
5 + -2y = 9 + 3y + -3y

Combine like terms: 3y + -3y = 0
5 + -2y = 9 + 0
5 + -2y = 9

Add '-5' to each side of the equation.
5 + -5 + -2y = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -2y = 9 + -5
-2y = 9 + -5

Combine like terms: 9 + -5 = 4
-2y = 4

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

Simplifying
y = -2

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