2k+8-r=-7

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Solution for 2k+8-r=-7 equation:


Simplifying
2k + 8 + -1r = -7

Reorder the terms:
8 + 2k + -1r = -7

Solving
8 + 2k + -1r = -7

Solving for variable 'k'.

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

Add '-8' to each side of the equation.
8 + 2k + -8 + -1r = -7 + -8

Reorder the terms:
8 + -8 + 2k + -1r = -7 + -8

Combine like terms: 8 + -8 = 0
0 + 2k + -1r = -7 + -8
2k + -1r = -7 + -8

Combine like terms: -7 + -8 = -15
2k + -1r = -15

Add 'r' to each side of the equation.
2k + -1r + r = -15 + r

Combine like terms: -1r + r = 0
2k + 0 = -15 + r
2k = -15 + r

Divide each side by '2'.
k = -7.5 + 0.5r

Simplifying
k = -7.5 + 0.5r

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