5(20+k)=2(30+k)

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Solution for 5(20+k)=2(30+k) equation:


Simplifying
5(20 + k) = 2(30 + k)
(20 * 5 + k * 5) = 2(30 + k)
(100 + 5k) = 2(30 + k)
100 + 5k = (30 * 2 + k * 2)
100 + 5k = (60 + 2k)

Solving
100 + 5k = 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.
100 + 5k + -2k = 60 + 2k + -2k

Combine like terms: 5k + -2k = 3k
100 + 3k = 60 + 2k + -2k

Combine like terms: 2k + -2k = 0
100 + 3k = 60 + 0
100 + 3k = 60

Add '-100' to each side of the equation.
100 + -100 + 3k = 60 + -100

Combine like terms: 100 + -100 = 0
0 + 3k = 60 + -100
3k = 60 + -100

Combine like terms: 60 + -100 = -40
3k = -40

Divide each side by '3'.
k = -13.33333333

Simplifying
k = -13.33333333

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