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

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

Solving
21 + -4k = 4

Solving for variable 'k'.

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

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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