-7+6(-3n-7)=-(2n+4)-9

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Solution for -7+6(-3n-7)=-(2n+4)-9 equation:


Simplifying
-7 + 6(-3n + -7) = -1(2n + 4) + -9

Reorder the terms:
-7 + 6(-7 + -3n) = -1(2n + 4) + -9
-7 + (-7 * 6 + -3n * 6) = -1(2n + 4) + -9
-7 + (-42 + -18n) = -1(2n + 4) + -9

Combine like terms: -7 + -42 = -49
-49 + -18n = -1(2n + 4) + -9

Reorder the terms:
-49 + -18n = -1(4 + 2n) + -9
-49 + -18n = (4 * -1 + 2n * -1) + -9
-49 + -18n = (-4 + -2n) + -9

Reorder the terms:
-49 + -18n = -4 + -9 + -2n

Combine like terms: -4 + -9 = -13
-49 + -18n = -13 + -2n

Solving
-49 + -18n = -13 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
-49 + -18n + 2n = -13 + -2n + 2n

Combine like terms: -18n + 2n = -16n
-49 + -16n = -13 + -2n + 2n

Combine like terms: -2n + 2n = 0
-49 + -16n = -13 + 0
-49 + -16n = -13

Add '49' to each side of the equation.
-49 + 49 + -16n = -13 + 49

Combine like terms: -49 + 49 = 0
0 + -16n = -13 + 49
-16n = -13 + 49

Combine like terms: -13 + 49 = 36
-16n = 36

Divide each side by '-16'.
n = -2.25

Simplifying
n = -2.25

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