What is the value of r in the equation?
-1.5(4-r)= -12
–6
–4
4
6

I think that the right answer is the first, because:

- 6 + 1.5r = - 12

+ 1.5r = -12 + 6

1.5/1.5 = - 6

r = - 6

yes. we do proportions in probabilities.

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation: