SOLUTION: Two times anumber t decreased by eight equals seventy

Algebra ->  Human-and-algebraic-language -> SOLUTION: Two times anumber t decreased by eight equals seventy       Log On


   



Question 13019: Two times anumber t decreased by eight equals seventy

Answer by pwac(253) About Me  (Show Source):
You can put this solution on YOUR website!
This is written as an equation:-
2t-8=70 It needs to be re-arranged to find value of t.First add 8 to both sides
2t=78 Divide both sides by 2
t=78/2
t=39.
Check by putting this value into original equation
2X39 -8 = 70
78-8 is 70
Pete