Question

Solve and check: -9k+13+k=61

Answer 1

-8k= 48

divide 8

ANSWER: k = -6

Answer 2

$\text{Solve for k:}\\\\-9k+13+k=61\\\\\text{Combine like terms:}\\\\-8k+13=61\\\\\text{Subtract 13 from both sides}\\\\-8k=48\\\\\text{Divide both sides by -8}\\\\\boxed{k=-6}$