7-7(2n-8)=7(2n-3)

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Solution for 7-7(2n-8)=7(2n-3) equation:


Simplifying
7 + -7(2n + -8) = 7(2n + -3)

Reorder the terms:
7 + -7(-8 + 2n) = 7(2n + -3)
7 + (-8 * -7 + 2n * -7) = 7(2n + -3)
7 + (56 + -14n) = 7(2n + -3)

Combine like terms: 7 + 56 = 63
63 + -14n = 7(2n + -3)

Reorder the terms:
63 + -14n = 7(-3 + 2n)
63 + -14n = (-3 * 7 + 2n * 7)
63 + -14n = (-21 + 14n)

Solving
63 + -14n = -21 + 14n

Solving for variable 'n'.

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

Add '-14n' to each side of the equation.
63 + -14n + -14n = -21 + 14n + -14n

Combine like terms: -14n + -14n = -28n
63 + -28n = -21 + 14n + -14n

Combine like terms: 14n + -14n = 0
63 + -28n = -21 + 0
63 + -28n = -21

Add '-63' to each side of the equation.
63 + -63 + -28n = -21 + -63

Combine like terms: 63 + -63 = 0
0 + -28n = -21 + -63
-28n = -21 + -63

Combine like terms: -21 + -63 = -84
-28n = -84

Divide each side by '-28'.
n = 3

Simplifying
n = 3

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