7(3n+8)=12n-7

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Solution for 7(3n+8)=12n-7 equation:


Simplifying
7(3n + 8) = 12n + -7

Reorder the terms:
7(8 + 3n) = 12n + -7
(8 * 7 + 3n * 7) = 12n + -7
(56 + 21n) = 12n + -7

Reorder the terms:
56 + 21n = -7 + 12n

Solving
56 + 21n = -7 + 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
56 + 21n + -12n = -7 + 12n + -12n

Combine like terms: 21n + -12n = 9n
56 + 9n = -7 + 12n + -12n

Combine like terms: 12n + -12n = 0
56 + 9n = -7 + 0
56 + 9n = -7

Add '-56' to each side of the equation.
56 + -56 + 9n = -7 + -56

Combine like terms: 56 + -56 = 0
0 + 9n = -7 + -56
9n = -7 + -56

Combine like terms: -7 + -56 = -63
9n = -63

Divide each side by '9'.
n = -7

Simplifying
n = -7

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