7n-18.9=7.5-3

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Solution for 7n-18.9=7.5-3 equation:


Simplifying
7n + -18.9 = 7.5 + -3

Reorder the terms:
-18.9 + 7n = 7.5 + -3

Combine like terms: 7.5 + -3 = 4.5
-18.9 + 7n = 4.5

Solving
-18.9 + 7n = 4.5

Solving for variable 'n'.

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

Add '18.9' to each side of the equation.
-18.9 + 18.9 + 7n = 4.5 + 18.9

Combine like terms: -18.9 + 18.9 = 0.0
0.0 + 7n = 4.5 + 18.9
7n = 4.5 + 18.9

Combine like terms: 4.5 + 18.9 = 23.4
7n = 23.4

Divide each side by '7'.
n = 3.342857143

Simplifying
n = 3.342857143

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