0.2n+9=8-(0.4n-1)

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Solution for 0.2n+9=8-(0.4n-1) equation:


Simplifying
0.2n + 9 = 8 + -1(0.4n + -1)

Reorder the terms:
9 + 0.2n = 8 + -1(0.4n + -1)

Reorder the terms:
9 + 0.2n = 8 + -1(-1 + 0.4n)
9 + 0.2n = 8 + (-1 * -1 + 0.4n * -1)
9 + 0.2n = 8 + (1 + -0.4n)

Combine like terms: 8 + 1 = 9
9 + 0.2n = 9 + -0.4n

Add '-9' to each side of the equation.
9 + -9 + 0.2n = 9 + -9 + -0.4n

Combine like terms: 9 + -9 = 0
0 + 0.2n = 9 + -9 + -0.4n
0.2n = 9 + -9 + -0.4n

Combine like terms: 9 + -9 = 0
0.2n = 0 + -0.4n
0.2n = -0.4n

Solving
0.2n = -0.4n

Solving for variable 'n'.

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

Add '0.4n' to each side of the equation.
0.2n + 0.4n = -0.4n + 0.4n

Combine like terms: 0.2n + 0.4n = 0.6n
0.6n = -0.4n + 0.4n

Combine like terms: -0.4n + 0.4n = 0.0
0.6n = 0.0

Divide each side by '0.6'.
n = 0

Simplifying
n = 0

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