2n+7=7(n-9)-3n

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Solution for 2n+7=7(n-9)-3n equation:


Simplifying
2n + 7 = 7(n + -9) + -3n

Reorder the terms:
7 + 2n = 7(n + -9) + -3n

Reorder the terms:
7 + 2n = 7(-9 + n) + -3n
7 + 2n = (-9 * 7 + n * 7) + -3n
7 + 2n = (-63 + 7n) + -3n

Combine like terms: 7n + -3n = 4n
7 + 2n = -63 + 4n

Solving
7 + 2n = -63 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
7 + 2n + -4n = -63 + 4n + -4n

Combine like terms: 2n + -4n = -2n
7 + -2n = -63 + 4n + -4n

Combine like terms: 4n + -4n = 0
7 + -2n = -63 + 0
7 + -2n = -63

Add '-7' to each side of the equation.
7 + -7 + -2n = -63 + -7

Combine like terms: 7 + -7 = 0
0 + -2n = -63 + -7
-2n = -63 + -7

Combine like terms: -63 + -7 = -70
-2n = -70

Divide each side by '-2'.
n = 35

Simplifying
n = 35

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