What is the value of a in the equation 5 a minus 10 b equals 45, when b equals 3?

15

Step-by-step explanation:

Given: 5 a minus 10 b equals 45

To find: Value of a when b equals 3

Solution: It is given that 5 a minus 10 b equals 45. To find the value of a when b equals 3, first we need to write an equation for the given statement.

We have 5 a minus 10 b equals 45, so the equation becomes

Now, we need to find the value of a when b equals 3. So, we need to put 3 in place of b in the equation

So, we have

Hence, the value of a when b equals 3 is 15.

90

step-by-step explanation:

12*c

step-by-step explanation: