7(2k-5)=21+6k

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Solution for 7(2k-5)=21+6k equation:


Simplifying
7(2k + -5) = 21 + 6k

Reorder the terms:
7(-5 + 2k) = 21 + 6k
(-5 * 7 + 2k * 7) = 21 + 6k
(-35 + 14k) = 21 + 6k

Solving
-35 + 14k = 21 + 6k

Solving for variable 'k'.

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

Add '-6k' to each side of the equation.
-35 + 14k + -6k = 21 + 6k + -6k

Combine like terms: 14k + -6k = 8k
-35 + 8k = 21 + 6k + -6k

Combine like terms: 6k + -6k = 0
-35 + 8k = 21 + 0
-35 + 8k = 21

Add '35' to each side of the equation.
-35 + 35 + 8k = 21 + 35

Combine like terms: -35 + 35 = 0
0 + 8k = 21 + 35
8k = 21 + 35

Combine like terms: 21 + 35 = 56
8k = 56

Divide each side by '8'.
k = 7

Simplifying
k = 7

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