3k-10=2k+21

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Solution for 3k-10=2k+21 equation:


Simplifying
3k + -10 = 2k + 21

Reorder the terms:
-10 + 3k = 2k + 21

Reorder the terms:
-10 + 3k = 21 + 2k

Solving
-10 + 3k = 21 + 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.
-10 + 3k + -2k = 21 + 2k + -2k

Combine like terms: 3k + -2k = 1k
-10 + 1k = 21 + 2k + -2k

Combine like terms: 2k + -2k = 0
-10 + 1k = 21 + 0
-10 + 1k = 21

Add '10' to each side of the equation.
-10 + 10 + 1k = 21 + 10

Combine like terms: -10 + 10 = 0
0 + 1k = 21 + 10
1k = 21 + 10

Combine like terms: 21 + 10 = 31
1k = 31

Divide each side by '1'.
k = 31

Simplifying
k = 31

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