(y-7)+y=39

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Solution for (y-7)+y=39 equation:


Simplifying
(y + -7) + y = 39

Reorder the terms:
(-7 + y) + y = 39

Remove parenthesis around (-7 + y)
-7 + y + y = 39

Combine like terms: y + y = 2y
-7 + 2y = 39

Solving
-7 + 2y = 39

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + 2y = 39 + 7

Combine like terms: -7 + 7 = 0
0 + 2y = 39 + 7
2y = 39 + 7

Combine like terms: 39 + 7 = 46
2y = 46

Divide each side by '2'.
y = 23

Simplifying
y = 23

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