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

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


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

Reorder the terms:
3(7 + -7n) = -8(7n + -7)
(7 * 3 + -7n * 3) = -8(7n + -7)
(21 + -21n) = -8(7n + -7)

Reorder the terms:
21 + -21n = -8(-7 + 7n)
21 + -21n = (-7 * -8 + 7n * -8)
21 + -21n = (56 + -56n)

Solving
21 + -21n = 56 + -56n

Solving for variable 'n'.

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

Add '56n' to each side of the equation.
21 + -21n + 56n = 56 + -56n + 56n

Combine like terms: -21n + 56n = 35n
21 + 35n = 56 + -56n + 56n

Combine like terms: -56n + 56n = 0
21 + 35n = 56 + 0
21 + 35n = 56

Add '-21' to each side of the equation.
21 + -21 + 35n = 56 + -21

Combine like terms: 21 + -21 = 0
0 + 35n = 56 + -21
35n = 56 + -21

Combine like terms: 56 + -21 = 35
35n = 35

Divide each side by '35'.
n = 1

Simplifying
n = 1

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