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

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


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

Reorder the terms:
-3 = 4(-4 + n) + 3(7n + -4)
-3 = (-4 * 4 + n * 4) + 3(7n + -4)
-3 = (-16 + 4n) + 3(7n + -4)

Reorder the terms:
-3 = -16 + 4n + 3(-4 + 7n)
-3 = -16 + 4n + (-4 * 3 + 7n * 3)
-3 = -16 + 4n + (-12 + 21n)

Reorder the terms:
-3 = -16 + -12 + 4n + 21n

Combine like terms: -16 + -12 = -28
-3 = -28 + 4n + 21n

Combine like terms: 4n + 21n = 25n
-3 = -28 + 25n

Solving
-3 = -28 + 25n

Solving for variable 'n'.

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

Add '-25n' to each side of the equation.
-3 + -25n = -28 + 25n + -25n

Combine like terms: 25n + -25n = 0
-3 + -25n = -28 + 0
-3 + -25n = -28

Add '3' to each side of the equation.
-3 + 3 + -25n = -28 + 3

Combine like terms: -3 + 3 = 0
0 + -25n = -28 + 3
-25n = -28 + 3

Combine like terms: -28 + 3 = -25
-25n = -25

Divide each side by '-25'.
n = 1

Simplifying
n = 1

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