13-9=y+2

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Solution for 13-9=y+2 equation:


Simplifying
13 + -9 = y + 2

Combine like terms: 13 + -9 = 4
4 = y + 2

Reorder the terms:
4 = 2 + y

Solving
4 = 2 + 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.
4 + -1y = 2 + y + -1y

Combine like terms: y + -1y = 0
4 + -1y = 2 + 0
4 + -1y = 2

Add '-4' to each side of the equation.
4 + -4 + -1y = 2 + -4

Combine like terms: 4 + -4 = 0
0 + -1y = 2 + -4
-1y = 2 + -4

Combine like terms: 2 + -4 = -2
-1y = -2

Divide each side by '-1'.
y = 2

Simplifying
y = 2

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