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

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


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

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

Reorder the terms:
-20 + 7n = 9(1 + 4z)
-20 + 7n = (1 * 9 + 4z * 9)
-20 + 7n = (9 + 36z)

Solving
-20 + 7n = 9 + 36z

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 = 9 + 20 + 36z

Combine like terms: -20 + 20 = 0
0 + 7n = 9 + 20 + 36z
7n = 9 + 20 + 36z

Combine like terms: 9 + 20 = 29
7n = 29 + 36z

Divide each side by '7'.
n = 4.142857143 + 5.142857143z

Simplifying
n = 4.142857143 + 5.142857143z

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