7+-4=k

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Solution for 7+-4=k equation:


Simplifying
7 + -4 = k

Combine like terms: 7 + -4 = 3
3 = k

Solving
3 = k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
3 + -1k = k + -1k

Combine like terms: k + -1k = 0
3 + -1k = 0

Add '-3' to each side of the equation.
3 + -3 + -1k = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1k = 0 + -3
-1k = 0 + -3

Combine like terms: 0 + -3 = -3
-1k = -3

Divide each side by '-1'.
k = 3

Simplifying
k = 3

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