Question
Solve the equation
k=−7
Evaluate
72k−83=−819
Move the constant to the right-hand side and change its sign
72k=−819+83
Add the numbers
More Steps

Evaluate
−819+83
Write all numerators above the common denominator
8−19+3
Add the numbers
8−16
Reduce the numbers
1−2
Calculate
−2
72k=−2
Multiply by the reciprocal
72k×27=−2×27
Multiply
k=−2×27
Solution
More Steps

Evaluate
−2×27
Reduce the numbers
−1×7
Simplify
−7
k=−7
Show Solution
