Rewrite the fraction and cross multiply.
43t=35
43t=35
3t(3)=4(5)
9t=20
t=920
Multiply both sides by the reciprocal of the t coefficient. (Same as dividing each side by the coefficient)
43t=35
(34)43t=35(34)
(34)43t=35(34)
t=3⋅35⋅4
t=920