3(7n-5)+3=-7n-12

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Solution for 3(7n-5)+3=-7n-12 equation:


Simplifying
3(7n + -5) + 3 = -7n + -12

Reorder the terms:
3(-5 + 7n) + 3 = -7n + -12
(-5 * 3 + 7n * 3) + 3 = -7n + -12
(-15 + 21n) + 3 = -7n + -12

Reorder the terms:
-15 + 3 + 21n = -7n + -12

Combine like terms: -15 + 3 = -12
-12 + 21n = -7n + -12

Reorder the terms:
-12 + 21n = -12 + -7n

Add '12' to each side of the equation.
-12 + 12 + 21n = -12 + 12 + -7n

Combine like terms: -12 + 12 = 0
0 + 21n = -12 + 12 + -7n
21n = -12 + 12 + -7n

Combine like terms: -12 + 12 = 0
21n = 0 + -7n
21n = -7n

Solving
21n = -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.
21n + 7n = -7n + 7n

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

Combine like terms: -7n + 7n = 0
28n = 0

Divide each side by '28'.
n = 0

Simplifying
n = 0

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