1038=9+(21n-21)

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Solution for 1038=9+(21n-21) equation:


Simplifying
1038 = 9 + (21n + -21)

Reorder the terms:
1038 = 9 + (-21 + 21n)

Remove parenthesis around (-21 + 21n)
1038 = 9 + -21 + 21n

Combine like terms: 9 + -21 = -12
1038 = -12 + 21n

Solving
1038 = -12 + 21n

Solving for variable 'n'.

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

Add '-21n' to each side of the equation.
1038 + -21n = -12 + 21n + -21n

Combine like terms: 21n + -21n = 0
1038 + -21n = -12 + 0
1038 + -21n = -12

Add '-1038' to each side of the equation.
1038 + -1038 + -21n = -12 + -1038

Combine like terms: 1038 + -1038 = 0
0 + -21n = -12 + -1038
-21n = -12 + -1038

Combine like terms: -12 + -1038 = -1050
-21n = -1050

Divide each side by '-21'.
n = 50

Simplifying
n = 50

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