9(-1)=10-k

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Solution for 9(-1)=10-k equation:


Simplifying
9(-1) = 10 + -1k

Multiply 9 * -1
-9 = 10 + -1k

Solving
-9 = 10 + -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
-9 + k = 10 + -1k + k

Combine like terms: -1k + k = 0
-9 + k = 10 + 0
-9 + k = 10

Add '9' to each side of the equation.
-9 + 9 + k = 10 + 9

Combine like terms: -9 + 9 = 0
0 + k = 10 + 9
k = 10 + 9

Combine like terms: 10 + 9 = 19
k = 19

Simplifying
k = 19

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