21.453=4.8-5n+2.9n

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Solution for 21.453=4.8-5n+2.9n equation: 


Simplifying
21.453 = 4.8 + -5n + 2.9n

Combine like terms: -5n + 2.9n = -2.1n
21.453 = 4.8 + -2.1n

Solving
21.453 = 4.8 + -2.1n

Solving for variable 'n'.

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

Add '2.1n' to each side of the equation.
21.453 + 2.1n = 4.8 + -2.1n + 2.1n

Combine like terms: -2.1n + 2.1n = 0.0
21.453 + 2.1n = 4.8 + 0.0
21.453 + 2.1n = 4.8

Add '-21.453' to each side of the equation.
21.453 + -21.453 + 2.1n = 4.8 + -21.453

Combine like terms: 21.453 + -21.453 = 0.000
0.000 + 2.1n = 4.8 + -21.453
2.1n = 4.8 + -21.453

Combine like terms: 4.8 + -21.453 = -16.653
2.1n = -16.653

Divide each side by '2.1'.
n = -7.93

Simplifying
n = -7.93

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