3(7)-2=2k

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Solution for 3(7)-2=2k equation:


Simplifying
3(7) + -2 = 2k

Multiply 3 * 7
21 + -2 = 2k

Combine like terms: 21 + -2 = 19
19 = 2k

Solving
19 = 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.
19 + -2k = 2k + -2k

Combine like terms: 2k + -2k = 0
19 + -2k = 0

Add '-19' to each side of the equation.
19 + -19 + -2k = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -2k = 0 + -19
-2k = 0 + -19

Combine like terms: 0 + -19 = -19
-2k = -19

Divide each side by '-2'.
k = 9.5

Simplifying
k = 9.5

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