13y-9y-6=71.68

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Solution for 13y-9y-6=71.68 equation:


Simplifying
13y + -9y + -6 = 71.68

Reorder the terms:
-6 + 13y + -9y = 71.68

Combine like terms: 13y + -9y = 4y
-6 + 4y = 71.68

Solving
-6 + 4y = 71.68

Solving for variable 'y'.

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

Add '6' to each side of the equation.
-6 + 6 + 4y = 71.68 + 6

Combine like terms: -6 + 6 = 0
0 + 4y = 71.68 + 6
4y = 71.68 + 6

Combine like terms: 71.68 + 6 = 77.68
4y = 77.68

Divide each side by '4'.
y = 19.42

Simplifying
y = 19.42

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