3-(1+4)-2(5n-3)=25

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Solution for 3-(1+4)-2(5n-3)=25 equation: 


Simplifying
3 + -1(1 + 4) + -2(5n + -3) = 25

Combine like terms: 1 + 4 = 5
3 + -1(5) + -2(5n + -3) = 25

Multiply -1 * 5
3 + -5 + -2(5n + -3) = 25

Reorder the terms:
3 + -5 + -2(-3 + 5n) = 25
3 + -5 + (-3 * -2 + 5n * -2) = 25
3 + -5 + (6 + -10n) = 25

Combine like terms: 3 + -5 = -2
-2 + 6 + -10n = 25

Combine like terms: -2 + 6 = 4
4 + -10n = 25

Solving
4 + -10n = 25

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + -10n = 25 + -4

Combine like terms: 4 + -4 = 0
0 + -10n = 25 + -4
-10n = 25 + -4

Combine like terms: 25 + -4 = 21
-10n = 21

Divide each side by '-10'.
n = -2.1

Simplifying
n = -2.1

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