0.7n-7=0.3n-5

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Solution for 0.7n-7=0.3n-5 equation:


Simplifying
0.7n + -7 = 0.3n + -5

Reorder the terms:
-7 + 0.7n = 0.3n + -5

Reorder the terms:
-7 + 0.7n = -5 + 0.3n

Solving
-7 + 0.7n = -5 + 0.3n

Solving for variable 'n'.

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

Add '-0.3n' to each side of the equation.
-7 + 0.7n + -0.3n = -5 + 0.3n + -0.3n

Combine like terms: 0.7n + -0.3n = 0.4n
-7 + 0.4n = -5 + 0.3n + -0.3n

Combine like terms: 0.3n + -0.3n = 0.0
-7 + 0.4n = -5 + 0.0
-7 + 0.4n = -5

Add '7' to each side of the equation.
-7 + 7 + 0.4n = -5 + 7

Combine like terms: -7 + 7 = 0
0 + 0.4n = -5 + 7
0.4n = -5 + 7

Combine like terms: -5 + 7 = 2
0.4n = 2

Divide each side by '0.4'.
n = 5

Simplifying
n = 5

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