Respuesta :

Answer:

Step-by-step explanation:

b=−0.5

Let's solve your equation step-by-step.
−3b+2.5=4
Step 1: Subtract 2.5 from both sides.
−3b+2.5−2.5=4−2.5
−3b=1.5
Step 2: Divide both sides by -3.
−3b−3=1.5−3
b=−0.5