2n+2(0.9-9n)=2.8-9n

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Solution for 2n+2(0.9-9n)=2.8-9n equation: 


Simplifying
2n + 2(0.9 + -9n) = 2.8 + -9n
2n + (0.9 * 2 + -9n * 2) = 2.8 + -9n
2n + (1.8 + -18n) = 2.8 + -9n

Reorder the terms:
1.8 + 2n + -18n = 2.8 + -9n

Combine like terms: 2n + -18n = -16n
1.8 + -16n = 2.8 + -9n

Solving
1.8 + -16n = 2.8 + -9n

Solving for variable 'n'.

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

Add '9n' to each side of the equation.
1.8 + -16n + 9n = 2.8 + -9n + 9n

Combine like terms: -16n + 9n = -7n
1.8 + -7n = 2.8 + -9n + 9n

Combine like terms: -9n + 9n = 0
1.8 + -7n = 2.8 + 0
1.8 + -7n = 2.8

Add '-1.8' to each side of the equation.
1.8 + -1.8 + -7n = 2.8 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + -7n = 2.8 + -1.8
-7n = 2.8 + -1.8

Combine like terms: 2.8 + -1.8 = 1
-7n = 1

Divide each side by '-7'.
n = -0.1428571429

Simplifying
n = -0.1428571429

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