63=-3(4-5k)

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Solution for 63=-3(4-5k) equation: 


Simplifying
63 = -3(4 + -5k)
63 = (4 * -3 + -5k * -3)
63 = (-12 + 15k)

Solving
63 = -12 + 15k

Solving for variable 'k'.

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

Add '-15k' to each side of the equation.
63 + -15k = -12 + 15k + -15k

Combine like terms: 15k + -15k = 0
63 + -15k = -12 + 0
63 + -15k = -12

Add '-63' to each side of the equation.
63 + -63 + -15k = -12 + -63

Combine like terms: 63 + -63 = 0
0 + -15k = -12 + -63
-15k = -12 + -63

Combine like terms: -12 + -63 = -75
-15k = -75

Divide each side by '-15'.
k = 5

Simplifying
k = 5

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