.8k-5=-7+.4

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Solution for .8k-5=-7+.4 equation:


Simplifying
0.8k + -5 = -7 + 0.4

Reorder the terms:
-5 + 0.8k = -7 + 0.4

Combine like terms: -7 + 0.4 = -6.6
-5 + 0.8k = -6.6

Solving
-5 + 0.8k = -6.6

Solving for variable 'k'.

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

Add '5' to each side of the equation.
-5 + 5 + 0.8k = -6.6 + 5

Combine like terms: -5 + 5 = 0
0 + 0.8k = -6.6 + 5
0.8k = -6.6 + 5

Combine like terms: -6.6 + 5 = -1.6
0.8k = -1.6

Divide each side by '0.8'.
k = -2

Simplifying
k = -2

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