7n-20=9(4+1)

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Solution for 7n-20=9(4+1) equation:


Simplifying
7n + -20 = 9(4 + 1)

Reorder the terms:
-20 + 7n = 9(4 + 1)

Combine like terms: 4 + 1 = 5
-20 + 7n = 9(5)

Multiply 9 * 5
-20 + 7n = 45

Solving
-20 + 7n = 45

Solving for variable 'n'.

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

Add '20' to each side of the equation.
-20 + 20 + 7n = 45 + 20

Combine like terms: -20 + 20 = 0
0 + 7n = 45 + 20
7n = 45 + 20

Combine like terms: 45 + 20 = 65
7n = 65

Divide each side by '7'.
n = 9.285714286

Simplifying
n = 9.285714286

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