Find the value of the variable such that: the value of 5−a is 20 greater than the value of 6a−1

-2

Step-by-step explanation:

(5 - a) = 20 + (6a -1) . . . . . 5-a is 20 greater than 6a-1

5 = 7a +19 . . . . . . . . . . . . . add a, collect terms

-14 = 7a . . . . . . . . . . . . . . . subtract 19

-2 = a . . . . . . . . . . . . . . . . divide by 7

The value of the variable is -2.

Check

5 - (-2) = 7

6(-2) -1 = -13

7 is 20 greater than -13, so the answer checks OK.

a=-2

Step-by-step explanation:

Think of it this way, 60 is 20 greater than 40. How do we know? 60-40=20!

So bassically for this equation we just do (5-a) - (6a-1)=20  

Solve the equation and it should give you a=-2!

true

explanation:

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