84n-28(n+96)=-30(n+81)

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Solution for 84n-28(n+96)=-30(n+81) equation:


Simplifying
84n + -28(n + 96) = -30(n + 81)

Reorder the terms:
84n + -28(96 + n) = -30(n + 81)
84n + (96 * -28 + n * -28) = -30(n + 81)
84n + (-2688 + -28n) = -30(n + 81)

Reorder the terms:
-2688 + 84n + -28n = -30(n + 81)

Combine like terms: 84n + -28n = 56n
-2688 + 56n = -30(n + 81)

Reorder the terms:
-2688 + 56n = -30(81 + n)
-2688 + 56n = (81 * -30 + n * -30)
-2688 + 56n = (-2430 + -30n)

Solving
-2688 + 56n = -2430 + -30n

Solving for variable 'n'.

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

Add '30n' to each side of the equation.
-2688 + 56n + 30n = -2430 + -30n + 30n

Combine like terms: 56n + 30n = 86n
-2688 + 86n = -2430 + -30n + 30n

Combine like terms: -30n + 30n = 0
-2688 + 86n = -2430 + 0
-2688 + 86n = -2430

Add '2688' to each side of the equation.
-2688 + 2688 + 86n = -2430 + 2688

Combine like terms: -2688 + 2688 = 0
0 + 86n = -2430 + 2688
86n = -2430 + 2688

Combine like terms: -2430 + 2688 = 258
86n = 258

Divide each side by '86'.
n = 3

Simplifying
n = 3

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