5*40-k=4

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Solution for 5*40-k=4 equation: 


Simplifying
5 * 40 + -1k = 4

Multiply 5 * 40
200 + -1k = 4

Solving
200 + -1k = 4

Solving for variable 'k'.

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

Add '-200' to each side of the equation.
200 + -200 + -1k = 4 + -200

Combine like terms: 200 + -200 = 0
0 + -1k = 4 + -200
-1k = 4 + -200

Combine like terms: 4 + -200 = -196
-1k = -196

Divide each side by '-1'.
k = 196

Simplifying
k = 196

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