7n-29=-21+3n

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Solution for 7n-29=-21+3n equation:


Simplifying
7n + -29 = -21 + 3n

Reorder the terms:
-29 + 7n = -21 + 3n

Solving
-29 + 7n = -21 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-29 + 7n + -3n = -21 + 3n + -3n

Combine like terms: 7n + -3n = 4n
-29 + 4n = -21 + 3n + -3n

Combine like terms: 3n + -3n = 0
-29 + 4n = -21 + 0
-29 + 4n = -21

Add '29' to each side of the equation.
-29 + 29 + 4n = -21 + 29

Combine like terms: -29 + 29 = 0
0 + 4n = -21 + 29
4n = -21 + 29

Combine like terms: -21 + 29 = 8
4n = 8

Divide each side by '4'.
n = 2

Simplifying
n = 2

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