-7(n-3)+4(n+1)=

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Solution for -7(n-3)+4(n+1)= equation:


Simplifying
-7(n + -3) + 4(n + 1) = 0

Reorder the terms:
-7(-3 + n) + 4(n + 1) = 0
(-3 * -7 + n * -7) + 4(n + 1) = 0
(21 + -7n) + 4(n + 1) = 0

Reorder the terms:
21 + -7n + 4(1 + n) = 0
21 + -7n + (1 * 4 + n * 4) = 0
21 + -7n + (4 + 4n) = 0

Reorder the terms:
21 + 4 + -7n + 4n = 0

Combine like terms: 21 + 4 = 25
25 + -7n + 4n = 0

Combine like terms: -7n + 4n = -3n
25 + -3n = 0

Solving
25 + -3n = 0

Solving for variable 'n'.

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

Add '-25' to each side of the equation.
25 + -25 + -3n = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -3n = 0 + -25
-3n = 0 + -25

Combine like terms: 0 + -25 = -25
-3n = -25

Divide each side by '-3'.
n = 8.333333333

Simplifying
n = 8.333333333

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