Solve: 75 - 9t = 5(-4 + 2t)?
- -5
- -4
- 5
- None of these
Explanation
To solve the equation:
75 - 9t = 5(-4 + 2t)
Expand the right-hand side:
75 - 9t = -20 + 10t
Add 9t to both sides:
75 = -20 + 19t
Add 20 to both sides:
95 = 19t
Divide by 19:
t = 95/19
t = 5
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