7n+4(n-2)=124

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Solution for 7n+4(n-2)=124 equation:


Simplifying
7n + 4(n + -2) = 124

Reorder the terms:
7n + 4(-2 + n) = 124
7n + (-2 * 4 + n * 4) = 124
7n + (-8 + 4n) = 124

Reorder the terms:
-8 + 7n + 4n = 124

Combine like terms: 7n + 4n = 11n
-8 + 11n = 124

Solving
-8 + 11n = 124

Solving for variable 'n'.

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

Add '8' to each side of the equation.
-8 + 8 + 11n = 124 + 8

Combine like terms: -8 + 8 = 0
0 + 11n = 124 + 8
11n = 124 + 8

Combine like terms: 124 + 8 = 132
11n = 132

Divide each side by '11'.
n = 12

Simplifying
n = 12

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