Laura spent half of her money on a necklace. She spent 14.60 of what was left having dinner with car

Laura spent half of her money on a necklace. She spent 14.60 of what was left having dinner with carolyn. if she had 3.90 left, how much money did she start out with?

Let x equal Laura's starting money
1/2x = 14.60 + 3.90
1/2x = 18.5

Divide each side by 1/2
x = $37