7(-4n+3)+2=-7n-40

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Solution for 7(-4n+3)+2=-7n-40 equation:


Simplifying
7(-4n + 3) + 2 = -7n + -40

Reorder the terms:
7(3 + -4n) + 2 = -7n + -40
(3 * 7 + -4n * 7) + 2 = -7n + -40
(21 + -28n) + 2 = -7n + -40

Reorder the terms:
21 + 2 + -28n = -7n + -40

Combine like terms: 21 + 2 = 23
23 + -28n = -7n + -40

Reorder the terms:
23 + -28n = -40 + -7n

Solving
23 + -28n = -40 + -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
23 + -28n + 7n = -40 + -7n + 7n

Combine like terms: -28n + 7n = -21n
23 + -21n = -40 + -7n + 7n

Combine like terms: -7n + 7n = 0
23 + -21n = -40 + 0
23 + -21n = -40

Add '-23' to each side of the equation.
23 + -23 + -21n = -40 + -23

Combine like terms: 23 + -23 = 0
0 + -21n = -40 + -23
-21n = -40 + -23

Combine like terms: -40 + -23 = -63
-21n = -63

Divide each side by '-21'.
n = 3

Simplifying
n = 3

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