0.5k+3.5=4.2-1.5k

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Solution for 0.5k+3.5=4.2-1.5k equation: 


Simplifying
0.5k + 3.5 = 4.2 + -1.5k

Reorder the terms:
3.5 + 0.5k = 4.2 + -1.5k

Solving
3.5 + 0.5k = 4.2 + -1.5k

Solving for variable 'k'.

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

Add '1.5k' to each side of the equation.
3.5 + 0.5k + 1.5k = 4.2 + -1.5k + 1.5k

Combine like terms: 0.5k + 1.5k = 2k
3.5 + 2k = 4.2 + -1.5k + 1.5k

Combine like terms: -1.5k + 1.5k = 0.0
3.5 + 2k = 4.2 + 0.0
3.5 + 2k = 4.2

Add '-3.5' to each side of the equation.
3.5 + -3.5 + 2k = 4.2 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + 2k = 4.2 + -3.5
2k = 4.2 + -3.5

Combine like terms: 4.2 + -3.5 = 0.7
2k = 0.7

Divide each side by '2'.
k = 0.35

Simplifying
k = 0.35

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