9+(7+y)=(9+7)+y

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Solution for 9+(7+y)=(9+7)+y equation: 


Simplifying
9 + (7 + y) = (9 + 7) + y

Remove parenthesis around (7 + y)
9 + 7 + y = (9 + 7) + y

Combine like terms: 9 + 7 = 16
16 + y = (9 + 7) + y

Combine like terms: 9 + 7 = 16
16 + y = (16) + y
16 + y = 16 + y

Add '-16' to each side of the equation.
16 + -16 + y = 16 + -16 + y

Combine like terms: 16 + -16 = 0
0 + y = 16 + -16 + y
y = 16 + -16 + y

Combine like terms: 16 + -16 = 0
y = 0 + y
y = y

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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