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Simplifying
7k2 + 10 = 38
Reorder the terms:
10 + 7k2 = 38
Solving
10 + 7k2 = 38
Solving for variable 'k'.
Move all terms containing k to the left, all other terms to the right.
Add '-10' to each side of the equation.
10 + -10 + 7k2 = 38 + -10
Combine like terms: 10 + -10 = 0
0 + 7k2 = 38 + -10
7k2 = 38 + -10
Combine like terms: 38 + -10 = 28
7k2 = 28
Divide each side by '7'.
k2 = 4
Simplifying
k2 = 4
Take the square root of each side:
k = {-2, 2}
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