-3(n-7)+5n=18+2

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Solution for -3(n-7)+5n=18+2 equation:


Simplifying
-3(n + -7) + 5n = 18 + 2

Reorder the terms:
-3(-7 + n) + 5n = 18 + 2
(-7 * -3 + n * -3) + 5n = 18 + 2
(21 + -3n) + 5n = 18 + 2

Combine like terms: -3n + 5n = 2n
21 + 2n = 18 + 2

Combine like terms: 18 + 2 = 20
21 + 2n = 20

Solving
21 + 2n = 20

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + 2n = 20 + -21

Combine like terms: 21 + -21 = 0
0 + 2n = 20 + -21
2n = 20 + -21

Combine like terms: 20 + -21 = -1
2n = -1

Divide each side by '2'.
n = -0.5

Simplifying
n = -0.5

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