7k+2=9k-10

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Solution for 7k+2=9k-10 equation:


Simplifying
7k + 2 = 9k + -10

Reorder the terms:
2 + 7k = 9k + -10

Reorder the terms:
2 + 7k = -10 + 9k

Solving
2 + 7k = -10 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
2 + 7k + -9k = -10 + 9k + -9k

Combine like terms: 7k + -9k = -2k
2 + -2k = -10 + 9k + -9k

Combine like terms: 9k + -9k = 0
2 + -2k = -10 + 0
2 + -2k = -10

Add '-2' to each side of the equation.
2 + -2 + -2k = -10 + -2

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

Combine like terms: -10 + -2 = -12
-2k = -12

Divide each side by '-2'.
k = 6

Simplifying
k = 6

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