.8k-5=-7+.4k

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


Simplifying
0.8k + -5 = -7 + 0.4k

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

Solving
-5 + 0.8k = -7 + 0.4k

Solving for variable 'k'.

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

Add '-0.4k' to each side of the equation.
-5 + 0.8k + -0.4k = -7 + 0.4k + -0.4k

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

Combine like terms: 0.4k + -0.4k = 0.0
-5 + 0.4k = -7 + 0.0
-5 + 0.4k = -7

Add '5' to each side of the equation.
-5 + 5 + 0.4k = -7 + 5

Combine like terms: -5 + 5 = 0
0 + 0.4k = -7 + 5
0.4k = -7 + 5

Combine like terms: -7 + 5 = -2
0.4k = -2

Divide each side by '0.4'.
k = -5

Simplifying
k = -5

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