Y=-3x+12
y=3x-6
how do i solve this step by step system of substitution

What is the inverse of the function f(x)=2x+1

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Choosing a booth location: your manager is sending two people to work at the conference. she wants a booth that will give your company good visibility for no more than 35% of the total budget ($3000). the conference coordinator just told you there are only five booths left. which booth will you choose? write the inequality that shows how much money you can spend on the booth simplify the inequality that shows how much money you can spend on the booth.