1000-2n=840

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Solution for 1000-2n=840 equation: 


Simplifying
1000 + -2n = 840

Solving
1000 + -2n = 840

Solving for variable 'n'.

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

Add '-1000' to each side of the equation.
1000 + -1000 + -2n = 840 + -1000

Combine like terms: 1000 + -1000 = 0
0 + -2n = 840 + -1000
-2n = 840 + -1000

Combine like terms: 840 + -1000 = -160
-2n = -160

Divide each side by '-2'.
n = 80

Simplifying
n = 80

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