Q: Is 8t plus 4 equals 76 an equation?

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t=-2

5

15t = 17 + 8t -24 15t - 8t = 17 - 24 7t = -7 t = -1

8t equals -42 = -34

2t2+8t+5 = 0 The expression in this quadratic equation is not so simple to factorise because 5 is a prime number which has only two factors (itself and one) but we can get a near enough solution by using the quadratic equation formula. Using the quadratic equation formula gives the solution as: t = - 0.7752551286 or t = - 3.224744871

The "answer" is the number that can be put in place of 't' and makes [ 8t-3=9 ]a true statement.Here's how to find out what it is:8t - 3 = 9Add 3 to each side of the equation:8t = 12Divide each side by 8:t = 1.5

-8t = -152 t = 19

-(t(3t + 1)(t - 8))

8t + 5 = 6t + 1,subtract 6t an 5 from each side,2t = -4t = -2Checking, 8t + 5 = -16 + 5 = -11 and 6t +1 = -12 + 1 = -11

108

That's entirely correct.If you divide each side of the equation by 't',you reach the startling conclusion that 5 = 5 !

So you start by adding 8t+5t which equals 13t. So 13t=220. Now you divide by 13 so t=220/13 Hope I helped!