=-7(n-5)+3(n+1)

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Solution for =-7(n-5)+3(n+1) equation:


Simplifying
0 = -7(n + -5) + 3(n + 1)

Reorder the terms:
0 = -7(-5 + n) + 3(n + 1)
0 = (-5 * -7 + n * -7) + 3(n + 1)
0 = (35 + -7n) + 3(n + 1)

Reorder the terms:
0 = 35 + -7n + 3(1 + n)
0 = 35 + -7n + (1 * 3 + n * 3)
0 = 35 + -7n + (3 + 3n)

Reorder the terms:
0 = 35 + 3 + -7n + 3n

Combine like terms: 35 + 3 = 38
0 = 38 + -7n + 3n

Combine like terms: -7n + 3n = -4n
0 = 38 + -4n

Solving
0 = 38 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
0 + 4n = 38 + -4n + 4n
Remove the zero:
4n = 38 + -4n + 4n

Combine like terms: -4n + 4n = 0
4n = 38 + 0
4n = 38

Divide each side by '4'.
n = 9.5

Simplifying
n = 9.5

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