7(n-2)+4(r+s-n)=

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Solution for 7(n-2)+4(r+s-n)= equation:


Simplifying
7(n + -2) + 4(r + s + -1n) = 0

Reorder the terms:
7(-2 + n) + 4(r + s + -1n) = 0
(-2 * 7 + n * 7) + 4(r + s + -1n) = 0
(-14 + 7n) + 4(r + s + -1n) = 0

Reorder the terms:
-14 + 7n + 4(-1n + r + s) = 0
-14 + 7n + (-1n * 4 + r * 4 + s * 4) = 0
-14 + 7n + (-4n + 4r + 4s) = 0

Combine like terms: 7n + -4n = 3n
-14 + 3n + 4r + 4s = 0

Solving
-14 + 3n + 4r + 4s = 0

Solving for variable 'n'.

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

Add '14' to each side of the equation.
-14 + 3n + 4r + 14 + 4s = 0 + 14

Reorder the terms:
-14 + 14 + 3n + 4r + 4s = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 3n + 4r + 4s = 0 + 14
3n + 4r + 4s = 0 + 14

Combine like terms: 0 + 14 = 14
3n + 4r + 4s = 14

Add '-4r' to each side of the equation.
3n + 4r + -4r + 4s = 14 + -4r

Combine like terms: 4r + -4r = 0
3n + 0 + 4s = 14 + -4r
3n + 4s = 14 + -4r

Add '-4s' to each side of the equation.
3n + 4s + -4s = 14 + -4r + -4s

Combine like terms: 4s + -4s = 0
3n + 0 = 14 + -4r + -4s
3n = 14 + -4r + -4s

Divide each side by '3'.
n = 4.666666667 + -1.333333333r + -1.333333333s

Simplifying
n = 4.666666667 + -1.333333333r + -1.333333333s

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