0.9=k+0.7

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Solution for 0.9=k+0.7 equation:


Simplifying
0.9 = k + 0.7

Reorder the terms:
0.9 = 0.7 + k

Solving
0.9 = 0.7 + k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
0.9 + -1k = 0.7 + k + -1k

Combine like terms: k + -1k = 0
0.9 + -1k = 0.7 + 0
0.9 + -1k = 0.7

Add '-0.9' to each side of the equation.
0.9 + -0.9 + -1k = 0.7 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + -1k = 0.7 + -0.9
-1k = 0.7 + -0.9

Combine like terms: 0.7 + -0.9 = -0.2
-1k = -0.2

Divide each side by '-1'.
k = 0.2

Simplifying
k = 0.2

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