4n+3-2n+10=21

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Solution for 4n+3-2n+10=21 equation:


Simplifying
4n + 3 + -2n + 10 = 21

Reorder the terms:
3 + 10 + 4n + -2n = 21

Combine like terms: 3 + 10 = 13
13 + 4n + -2n = 21

Combine like terms: 4n + -2n = 2n
13 + 2n = 21

Solving
13 + 2n = 21

Solving for variable 'n'.

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

Add '-13' to each side of the equation.
13 + -13 + 2n = 21 + -13

Combine like terms: 13 + -13 = 0
0 + 2n = 21 + -13
2n = 21 + -13

Combine like terms: 21 + -13 = 8
2n = 8

Divide each side by '2'.
n = 4

Simplifying
n = 4

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