4n-7(n-9)=

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Solution for 4n-7(n-9)= equation:


Simplifying
4n + -7(n + -9) = 0

Reorder the terms:
4n + -7(-9 + n) = 0
4n + (-9 * -7 + n * -7) = 0
4n + (63 + -7n) = 0

Reorder the terms:
63 + 4n + -7n = 0

Combine like terms: 4n + -7n = -3n
63 + -3n = 0

Solving
63 + -3n = 0

Solving for variable 'n'.

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

Add '-63' to each side of the equation.
63 + -63 + -3n = 0 + -63

Combine like terms: 63 + -63 = 0
0 + -3n = 0 + -63
-3n = 0 + -63

Combine like terms: 0 + -63 = -63
-3n = -63

Divide each side by '-3'.
n = 21

Simplifying
n = 21

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