3(n-7)=-2(n-1)+2

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Solution for 3(n-7)=-2(n-1)+2 equation:


Simplifying
3(n + -7) = -2(n + -1) + 2

Reorder the terms:
3(-7 + n) = -2(n + -1) + 2
(-7 * 3 + n * 3) = -2(n + -1) + 2
(-21 + 3n) = -2(n + -1) + 2

Reorder the terms:
-21 + 3n = -2(-1 + n) + 2
-21 + 3n = (-1 * -2 + n * -2) + 2
-21 + 3n = (2 + -2n) + 2

Reorder the terms:
-21 + 3n = 2 + 2 + -2n

Combine like terms: 2 + 2 = 4
-21 + 3n = 4 + -2n

Solving
-21 + 3n = 4 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
-21 + 3n + 2n = 4 + -2n + 2n

Combine like terms: 3n + 2n = 5n
-21 + 5n = 4 + -2n + 2n

Combine like terms: -2n + 2n = 0
-21 + 5n = 4 + 0
-21 + 5n = 4

Add '21' to each side of the equation.
-21 + 21 + 5n = 4 + 21

Combine like terms: -21 + 21 = 0
0 + 5n = 4 + 21
5n = 4 + 21

Combine like terms: 4 + 21 = 25
5n = 25

Divide each side by '5'.
n = 5

Simplifying
n = 5

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