7k+2=8k+9

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Solution for 7k+2=8k+9 equation:


Simplifying
7k + 2 = 8k + 9

Reorder the terms:
2 + 7k = 8k + 9

Reorder the terms:
2 + 7k = 9 + 8k

Solving
2 + 7k = 9 + 8k

Solving for variable 'k'.

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

Add '-8k' to each side of the equation.
2 + 7k + -8k = 9 + 8k + -8k

Combine like terms: 7k + -8k = -1k
2 + -1k = 9 + 8k + -8k

Combine like terms: 8k + -8k = 0
2 + -1k = 9 + 0
2 + -1k = 9

Add '-2' to each side of the equation.
2 + -2 + -1k = 9 + -2

Combine like terms: 2 + -2 = 0
0 + -1k = 9 + -2
-1k = 9 + -2

Combine like terms: 9 + -2 = 7
-1k = 7

Divide each side by '-1'.
k = -7

Simplifying
k = -7

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