find unknown 2t+3/-7=4
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(2t + 3)/(-7) = 4
So, 2t + 3 = 4 × (-7)
So, 2t + 3 = -28
So, 2t = -28 - 3
So, 2t = -31
So, t = -31 ÷ 2
So, t = -15.5
So, 2t + 3 = 4 × (-7)
So, 2t + 3 = -28
So, 2t = -28 - 3
So, 2t = -31
So, t = -31 ÷ 2
So, t = -15.5
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