3n+6.9n=-10.53+7.2n

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Solution for 3n+6.9n=-10.53+7.2n equation: 


Simplifying
3n + 6.9n = -10.53 + 7.2n

Combine like terms: 3n + 6.9n = 9.9n
9.9n = -10.53 + 7.2n

Solving
9.9n = -10.53 + 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.
9.9n + -7.2n = -10.53 + 7.2n + -7.2n

Combine like terms: 9.9n + -7.2n = 2.7n
2.7n = -10.53 + 7.2n + -7.2n

Combine like terms: 7.2n + -7.2n = 0.0
2.7n = -10.53 + 0.0
2.7n = -10.53

Divide each side by '2.7'.
n = -3.9

Simplifying
n = -3.9

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