2t-3-3 = 7
2t = 7+6
2t = 13
t = 6.5
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2t + 3 = -9Subtract 3 from each side:2t = -12Divide each side by 2:t = -6======================-3t - 7 = (-3)(-6) - 7 = +18 - 7= 11.
Oh, dude, you just gotta isolate that "t" variable. So, first, subtract 3 from both sides to get 2t = -14. Then, divide by 2 and you'll find out that t = -7. Easy peasy lemon squeezy.
2t
In 2t+8 19
75+2t=100-2t 4t=25 t=6.25 So t is 6.25 or 25/4.