Subtract 3.53.5 from both sides
−9−3.5=1.1×kSimplify -9-3.5−9−3.5 to -12.5−12.5
−12.5=1.1×kDivide both sides by 1.11.1
− 12.5/1.1 = k
Simplify 12.5/1.1 to 11.363636
−11.363636=k
then switch sides
k=−11.363636
I could be wrong?? Let me know if this helped and if it's right
