-40=6(n-3)+8(7-4n)

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Solution for -40=6(n-3)+8(7-4n) equation:


Simplifying
-40 = 6(n + -3) + 8(7 + -4n)

Reorder the terms:
-40 = 6(-3 + n) + 8(7 + -4n)
-40 = (-3 * 6 + n * 6) + 8(7 + -4n)
-40 = (-18 + 6n) + 8(7 + -4n)
-40 = -18 + 6n + (7 * 8 + -4n * 8)
-40 = -18 + 6n + (56 + -32n)

Reorder the terms:
-40 = -18 + 56 + 6n + -32n

Combine like terms: -18 + 56 = 38
-40 = 38 + 6n + -32n

Combine like terms: 6n + -32n = -26n
-40 = 38 + -26n

Solving
-40 = 38 + -26n

Solving for variable 'n'.

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

Add '26n' to each side of the equation.
-40 + 26n = 38 + -26n + 26n

Combine like terms: -26n + 26n = 0
-40 + 26n = 38 + 0
-40 + 26n = 38

Add '40' to each side of the equation.
-40 + 40 + 26n = 38 + 40

Combine like terms: -40 + 40 = 0
0 + 26n = 38 + 40
26n = 38 + 40

Combine like terms: 38 + 40 = 78
26n = 78

Divide each side by '26'.
n = 3

Simplifying
n = 3

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