7(k-7)=2(30+k)

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Solution for 7(k-7)=2(30+k) equation:


Simplifying
7(k + -7) = 2(30 + k)

Reorder the terms:
7(-7 + k) = 2(30 + k)
(-7 * 7 + k * 7) = 2(30 + k)
(-49 + 7k) = 2(30 + k)
-49 + 7k = (30 * 2 + k * 2)
-49 + 7k = (60 + 2k)

Solving
-49 + 7k = 60 + 2k

Solving for variable 'k'.

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

Add '-2k' to each side of the equation.
-49 + 7k + -2k = 60 + 2k + -2k

Combine like terms: 7k + -2k = 5k
-49 + 5k = 60 + 2k + -2k

Combine like terms: 2k + -2k = 0
-49 + 5k = 60 + 0
-49 + 5k = 60

Add '49' to each side of the equation.
-49 + 49 + 5k = 60 + 49

Combine like terms: -49 + 49 = 0
0 + 5k = 60 + 49
5k = 60 + 49

Combine like terms: 60 + 49 = 109
5k = 109

Divide each side by '5'.
k = 21.8

Simplifying
k = 21.8

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