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What is the value of 6a - 2b when a = 5 and b = 8

Sagot :

Answer:

14

because 6(5)=30 and -2(8)=-16

30-16=14

Answer:

14

Step-by-step explanation:

All we need to do to get the value of 6a-2b is to plug in 5 for the variable "a" (replace a with 5) and plug in 8 for variable "b" (replace b with 8).

Because the variables are right next to the number, that indicates multplication, so the equation is basically saying 6*a-2*b

So let's plug in the numbers for the variables and solve:

6*5-2*8

6*5=30

2*8=16

30-16=14

So our final answer is 14