5k+2-7=20

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Solution for 5k+2-7=20 equation: 


Simplifying
5k + 2 + -7 = 20

Reorder the terms:
2 + -7 + 5k = 20

Combine like terms: 2 + -7 = -5
-5 + 5k = 20

Solving
-5 + 5k = 20

Solving for variable 'k'.

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

Add '5' to each side of the equation.
-5 + 5 + 5k = 20 + 5

Combine like terms: -5 + 5 = 0
0 + 5k = 20 + 5
5k = 20 + 5

Combine like terms: 20 + 5 = 25
5k = 25

Divide each side by '5'.
k = 5

Simplifying
k = 5

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