4(k+3)+5k=75

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Solution for 4(k+3)+5k=75 equation:


Simplifying
4(k + 3) + 5k = 75

Reorder the terms:
4(3 + k) + 5k = 75
(3 * 4 + k * 4) + 5k = 75
(12 + 4k) + 5k = 75

Combine like terms: 4k + 5k = 9k
12 + 9k = 75

Solving
12 + 9k = 75

Solving for variable 'k'.

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

Add '-12' to each side of the equation.
12 + -12 + 9k = 75 + -12

Combine like terms: 12 + -12 = 0
0 + 9k = 75 + -12
9k = 75 + -12

Combine like terms: 75 + -12 = 63
9k = 63

Divide each side by '9'.
k = 7

Simplifying
k = 7

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