2+3n=42-7n

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Solution for 2+3n=42-7n equation:


Simplifying
2 + 3n = 42 + -7n

Solving
2 + 3n = 42 + -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.
2 + 3n + 7n = 42 + -7n + 7n

Combine like terms: 3n + 7n = 10n
2 + 10n = 42 + -7n + 7n

Combine like terms: -7n + 7n = 0
2 + 10n = 42 + 0
2 + 10n = 42

Add '-2' to each side of the equation.
2 + -2 + 10n = 42 + -2

Combine like terms: 2 + -2 = 0
0 + 10n = 42 + -2
10n = 42 + -2

Combine like terms: 42 + -2 = 40
10n = 40

Divide each side by '10'.
n = 4

Simplifying
n = 4

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