the answer is: b= -2a + 5
Answer:

Step-by-step explanation:
<u>Equation Solving</u>
We are given the equation:

It's required to solve the equation for D. All letters must preserve their capitalization.
We must isolate the letter D by removing from the left side all the terms and coefficients that surround it.
Adding 7:

Dividing by f:

Answer:
1
Step-by-step explanation:
Answer:
10
Step-by-step explanation: