1.6n+4.2=0.7n+6.9

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Solution for 1.6n+4.2=0.7n+6.9 equation: 


Simplifying
1.6n + 4.2 = 0.7n + 6.9

Reorder the terms:
4.2 + 1.6n = 0.7n + 6.9

Reorder the terms:
4.2 + 1.6n = 6.9 + 0.7n

Solving
4.2 + 1.6n = 6.9 + 0.7n

Solving for variable 'n'.

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

Add '-0.7n' to each side of the equation.
4.2 + 1.6n + -0.7n = 6.9 + 0.7n + -0.7n

Combine like terms: 1.6n + -0.7n = 0.9n
4.2 + 0.9n = 6.9 + 0.7n + -0.7n

Combine like terms: 0.7n + -0.7n = 0.0
4.2 + 0.9n = 6.9 + 0.0
4.2 + 0.9n = 6.9

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 0.9n = 6.9 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 0.9n = 6.9 + -4.2
0.9n = 6.9 + -4.2

Combine like terms: 6.9 + -4.2 = 2.7
0.9n = 2.7

Divide each side by '0.9'.
n = 3

Simplifying
n = 3

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