-7(-9+8n)=-31-9n

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Solution for -7(-9+8n)=-31-9n equation:


Simplifying
-7(-9 + 8n) = -31 + -9n
(-9 * -7 + 8n * -7) = -31 + -9n
(63 + -56n) = -31 + -9n

Solving
63 + -56n = -31 + -9n

Solving for variable 'n'.

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

Add '9n' to each side of the equation.
63 + -56n + 9n = -31 + -9n + 9n

Combine like terms: -56n + 9n = -47n
63 + -47n = -31 + -9n + 9n

Combine like terms: -9n + 9n = 0
63 + -47n = -31 + 0
63 + -47n = -31

Add '-63' to each side of the equation.
63 + -63 + -47n = -31 + -63

Combine like terms: 63 + -63 = 0
0 + -47n = -31 + -63
-47n = -31 + -63

Combine like terms: -31 + -63 = -94
-47n = -94

Divide each side by '-47'.
n = 2

Simplifying
n = 2

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