30=12-.25n

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Solution for 30=12-.25n equation:


Simplifying
30 = 12 + -0.25n

Solving
30 = 12 + -0.25n

Solving for variable 'n'.

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

Add '0.25n' to each side of the equation.
30 + 0.25n = 12 + -0.25n + 0.25n

Combine like terms: -0.25n + 0.25n = 0.00
30 + 0.25n = 12 + 0.00
30 + 0.25n = 12

Add '-30' to each side of the equation.
30 + -30 + 0.25n = 12 + -30

Combine like terms: 30 + -30 = 0
0 + 0.25n = 12 + -30
0.25n = 12 + -30

Combine like terms: 12 + -30 = -18
0.25n = -18

Divide each side by '0.25'.
n = -72

Simplifying
n = -72

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