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If 8a = 40 then a must = 5

So: 2*5-4 = 6

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Q: If 8a equals 40 then what number is 2a-4?
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Related questions

8A plus 9 equals 41 what does 8A equals?

A = 4


Find 3 consecutive even numbers where the product of the smaller number is 40 less than the square of the largest number equals?

ab+40=c2a(a+2)+40=(a+4)2a2+2a+40=a2+8a+1624=6a4=a6=b8=c4x6+40=8224+40=6464=64


What is 8a-15 equals -3?

8a = 12 so a = 1.5


8a equals 24?

a = 3 !


What is 8a - 15 equals -3?

8a - 15 = -3 8a = 15 - 3 8a = 12 a = 12/8 = 6/4 = 3/2


What is -9 divided by 8a equals 12?

8a/-9=12 8a=12x-9 8a=-108 a=-108/8 a=-13.5 Hence the required answer is -13.5


What is the variable for 8a-9 equals 7a-6?

The variable is a. You can solve for it, like this: 8a - 9 = 7a - 6 8a = 7a + 3 8a - 7a = 3 a = 3


What is the answer to 6a-3 equals 8a plus 11?

6a-3=8a+11 -3-11=8a-6a -14=2a a=-7


What is the answer to 11a plus 9 minus 3A equals -7?

11a-3a =8a so 8a+9=-7 8a = -16 a=-2


2a-4y equals 3a - 8a-5y?

2a - 4y = 3a - 8a - 5y 7a = -ya = -(y/7)


A over -4.2 - 5 equals 3 what is a?

A/-4.2 = 8A = -33.6


How do you solve the equation 8a plus 4a equals 144?

8a+4a=144 12a=144 12a/12=144/12 A=144