7n-21+4n+20=10

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Solution for 7n-21+4n+20=10 equation:


Simplifying
7n + -21 + 4n + 20 = 10

Reorder the terms:
-21 + 20 + 7n + 4n = 10

Combine like terms: -21 + 20 = -1
-1 + 7n + 4n = 10

Combine like terms: 7n + 4n = 11n
-1 + 11n = 10

Solving
-1 + 11n = 10

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 11n = 10 + 1

Combine like terms: -1 + 1 = 0
0 + 11n = 10 + 1
11n = 10 + 1

Combine like terms: 10 + 1 = 11
11n = 11

Divide each side by '11'.
n = 1

Simplifying
n = 1

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