7(3-k)=(-3k)+4

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Solution for 7(3-k)=(-3k)+4 equation:


Simplifying
7(3 + -1k) = (-3k) + 4
(3 * 7 + -1k * 7) = (-3k) + 4
(21 + -7k) = (-3k) + 4

Reorder the terms:
21 + -7k = 4 + (-3k)

Solving
21 + -7k = 4 + (-3k)

Solving for variable 'k'.

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

Add '(3k)' to each side of the equation.
21 + -7k + (3k) = 4 + (-3k) + (3k)

Combine like terms: -7k + (3k) = -4k
21 + -4k = 4 + (-3k) + (3k)

Combine like terms: (-3k) + (3k) = 0
21 + -4k = 4 + 0
21 + -4k = 4

Add '-21' to each side of the equation.
21 + -21 + -4k = 4 + -21

Combine like terms: 21 + -21 = 0
0 + -4k = 4 + -21
-4k = 4 + -21

Combine like terms: 4 + -21 = -17
-4k = -17

Divide each side by '-4'.
k = 4.25

Simplifying
k = 4.25

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