SOLUTION: could you please help me solve: 1.7t + 8 - 1.62t = 0.4t - 0.32 + 8 and show the check if possible....thanks so much....Sonya

Algebra ->  Algebra  -> Equations -> SOLUTION: could you please help me solve: 1.7t + 8 - 1.62t = 0.4t - 0.32 + 8 and show the check if possible....thanks so much....Sonya      Log On

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Question 13555: could you please help me solve: 1.7t + 8 - 1.62t = 0.4t - 0.32 + 8 and show the check if possible....thanks so much....Sonya
Answer by rahman(247) About Me  (Show Source):
You can put this solution on YOUR website!
1.7t + 8 - 1.62t = 0.4t - 0.32 + 8
1.7t - 1.62t - 0.4t = - 0.32 + 8 - 8
(1.7-1.62-0.4)t = - 0.32 + 0
(1.7-2.02)t = - 0.32
-0.32t = - 0.32
t=%28-0.32%29%2F%28-0.32%29
t=1
Proof: Subtitute t = 1 to equation:
1.7t + 8 - 1.62t = 0.4t - 0.32 + 8
1.7(1) + 8 - 1.62(1) = 0.4(1) - 0.32 + 8
1.7 + 8 - 1.62 = 0.4 - 0.32 + 8
9.7 - 1.62 = 8.4 - 0.32
8.08 = 8.08 (Q.E.D)
OK