10.) solve the equation for the letter d: c = pi d a. d=c-pi b. d=cpi c. d=c/pi d. none of the above 11.) solve the equation for the letter y: -2x + 3y = 4 a. y=2x+4 b. y=2x-4/3 c. y=2x+4/3 d. none of the above

answer is c

step-by-step explanation:

step-by-step explanation:

my butt

what are you doing do you need examples of variable questions?

step-by-step explanation:

5a-1=9               bring the one over the =

5a=10                     divide by your variable

a=2

brainliest? ?

here try this one

3a-24=0

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.