Shown here is a mathematical step taken when solving an equation. Identify the mathematical reason or property used to simplify from the first step to the second step. B+7=15. B=8

Shown here is a mathematical step taken when solving an equation Identify the mathematical reason or property used to simplify from the first step to the second class=

Respuesta :

Answer:

Subtration property of Equality

Step-by-step explanation:

B + 7 = 15

   - 7    - 7

B = 8