-4(8+4n)=40-7n

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Solution for -4(8+4n)=40-7n equation:


Simplifying
-4(8 + 4n) = 40 + -7n
(8 * -4 + 4n * -4) = 40 + -7n
(-32 + -16n) = 40 + -7n

Solving
-32 + -16n = 40 + -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
-32 + -16n + 7n = 40 + -7n + 7n

Combine like terms: -16n + 7n = -9n
-32 + -9n = 40 + -7n + 7n

Combine like terms: -7n + 7n = 0
-32 + -9n = 40 + 0
-32 + -9n = 40

Add '32' to each side of the equation.
-32 + 32 + -9n = 40 + 32

Combine like terms: -32 + 32 = 0
0 + -9n = 40 + 32
-9n = 40 + 32

Combine like terms: 40 + 32 = 72
-9n = 72

Divide each side by '-9'.
n = -8

Simplifying
n = -8

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