-243=-90+9k

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Solution for -243=-90+9k equation:


Simplifying
-243 = -90 + 9k

Solving
-243 = -90 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
-243 + -9k = -90 + 9k + -9k

Combine like terms: 9k + -9k = 0
-243 + -9k = -90 + 0
-243 + -9k = -90

Add '243' to each side of the equation.
-243 + 243 + -9k = -90 + 243

Combine like terms: -243 + 243 = 0
0 + -9k = -90 + 243
-9k = -90 + 243

Combine like terms: -90 + 243 = 153
-9k = 153

Divide each side by '-9'.
k = -17

Simplifying
k = -17

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