Answer:
5
Step-by-step explanation:
5(x-3)+4=4x-6
5x-15+4=4x-6
5x-11=4x-6
5x-4x= -6+11
x= -6+11
x=5
Your answer would be x=m×4
Your molarity would be 0.975 M HCl because it’s moles of solute divided by liters of solvent