3k+8k-7=7k+9

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Solution for 3k+8k-7=7k+9 equation:


Simplifying
3k + 8k + -7 = 7k + 9

Reorder the terms:
-7 + 3k + 8k = 7k + 9

Combine like terms: 3k + 8k = 11k
-7 + 11k = 7k + 9

Reorder the terms:
-7 + 11k = 9 + 7k

Solving
-7 + 11k = 9 + 7k

Solving for variable 'k'.

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

Add '-7k' to each side of the equation.
-7 + 11k + -7k = 9 + 7k + -7k

Combine like terms: 11k + -7k = 4k
-7 + 4k = 9 + 7k + -7k

Combine like terms: 7k + -7k = 0
-7 + 4k = 9 + 0
-7 + 4k = 9

Add '7' to each side of the equation.
-7 + 7 + 4k = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 4k = 9 + 7
4k = 9 + 7

Combine like terms: 9 + 7 = 16
4k = 16

Divide each side by '4'.
k = 4

Simplifying
k = 4

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