6.9=1.2n+0.9

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Solution for 6.9=1.2n+0.9 equation:


Simplifying
6.9 = 1.2n + 0.9

Reorder the terms:
6.9 = 0.9 + 1.2n

Solving
6.9 = 0.9 + 1.2n

Solving for variable 'n'.

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

Add '-1.2n' to each side of the equation.
6.9 + -1.2n = 0.9 + 1.2n + -1.2n

Combine like terms: 1.2n + -1.2n = 0.0
6.9 + -1.2n = 0.9 + 0.0
6.9 + -1.2n = 0.9

Add '-6.9' to each side of the equation.
6.9 + -6.9 + -1.2n = 0.9 + -6.9

Combine like terms: 6.9 + -6.9 = 0.0
0.0 + -1.2n = 0.9 + -6.9
-1.2n = 0.9 + -6.9

Combine like terms: 0.9 + -6.9 = -6
-1.2n = -6

Divide each side by '-1.2'.
n = 5

Simplifying
n = 5

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