3n-40=.5n+35

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Solution for 3n-40=.5n+35 equation:


Simplifying
3n + -40 = 0.5n + 35

Reorder the terms:
-40 + 3n = 0.5n + 35

Reorder the terms:
-40 + 3n = 35 + 0.5n

Solving
-40 + 3n = 35 + 0.5n

Solving for variable 'n'.

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

Add '-0.5n' to each side of the equation.
-40 + 3n + -0.5n = 35 + 0.5n + -0.5n

Combine like terms: 3n + -0.5n = 2.5n
-40 + 2.5n = 35 + 0.5n + -0.5n

Combine like terms: 0.5n + -0.5n = 0.0
-40 + 2.5n = 35 + 0.0
-40 + 2.5n = 35

Add '40' to each side of the equation.
-40 + 40 + 2.5n = 35 + 40

Combine like terms: -40 + 40 = 0
0 + 2.5n = 35 + 40
2.5n = 35 + 40

Combine like terms: 35 + 40 = 75
2.5n = 75

Divide each side by '2.5'.
n = 30

Simplifying
n = 30

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