3n-42n=-87-10n

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Solution for 3n-42n=-87-10n equation: 


Simplifying
3n + -42n = -87 + -10n

Combine like terms: 3n + -42n = -39n
-39n = -87 + -10n

Solving
-39n = -87 + -10n

Solving for variable 'n'.

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

Add '10n' to each side of the equation.
-39n + 10n = -87 + -10n + 10n

Combine like terms: -39n + 10n = -29n
-29n = -87 + -10n + 10n

Combine like terms: -10n + 10n = 0
-29n = -87 + 0
-29n = -87

Divide each side by '-29'.
n = 3

Simplifying
n = 3

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