3n-2(n+5)=45

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Solution for 3n-2(n+5)=45 equation:


Simplifying
3n + -2(n + 5) = 45

Reorder the terms:
3n + -2(5 + n) = 45
3n + (5 * -2 + n * -2) = 45
3n + (-10 + -2n) = 45

Reorder the terms:
-10 + 3n + -2n = 45

Combine like terms: 3n + -2n = 1n
-10 + 1n = 45

Solving
-10 + 1n = 45

Solving for variable 'n'.

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

Add '10' to each side of the equation.
-10 + 10 + 1n = 45 + 10

Combine like terms: -10 + 10 = 0
0 + 1n = 45 + 10
1n = 45 + 10

Combine like terms: 45 + 10 = 55
1n = 55

Divide each side by '1'.
n = 55

Simplifying
n = 55

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