13.8+8.7n=7.2n

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Solution for 13.8+8.7n=7.2n equation:


Simplifying
13.8 + 8.7n = 7.2n

Solving
13.8 + 8.7n = 7.2n

Solving for variable 'n'.

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

Add '-7.2n' to each side of the equation.
13.8 + 8.7n + -7.2n = 7.2n + -7.2n

Combine like terms: 8.7n + -7.2n = 1.5n
13.8 + 1.5n = 7.2n + -7.2n

Combine like terms: 7.2n + -7.2n = 0.0
13.8 + 1.5n = 0.0

Add '-13.8' to each side of the equation.
13.8 + -13.8 + 1.5n = 0.0 + -13.8

Combine like terms: 13.8 + -13.8 = 0.0
0.0 + 1.5n = 0.0 + -13.8
1.5n = 0.0 + -13.8

Combine like terms: 0.0 + -13.8 = -13.8
1.5n = -13.8

Divide each side by '1.5'.
n = -9.2

Simplifying
n = -9.2

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