-4(7+5k)=28

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Solution for -4(7+5k)=28 equation: 


Simplifying
-4(7 + 5k) = 28
(7 * -4 + 5k * -4) = 28
(-28 + -20k) = 28

Solving
-28 + -20k = 28

Solving for variable 'k'.

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

Add '28' to each side of the equation.
-28 + 28 + -20k = 28 + 28

Combine like terms: -28 + 28 = 0
0 + -20k = 28 + 28
-20k = 28 + 28

Combine like terms: 28 + 28 = 56
-20k = 56

Divide each side by '-20'.
k = -2.8

Simplifying
k = -2.8

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