Question

 решите уравнение прошу

Answer 1

(3/4+у):(5/6-*8/9)=-9
(3/4+у):((45-48)/54)=-9
(3/4+у):(-1/18)=-9
3/4+у=(-9)*(-1/18)
3/4+у=1/2
у=1/2-3/4
у=4/4-3/4=1/4=0,25

Answer 2

3/4 +y / 5/6 -8/9 = -9
(3/4 +y) :(5/6 - 8/9) = -9
3/4 +у = -9 * (5/6 - 8/9)
3/4 +у = 9/8
у = 9/8 - 3/4
у=3/8
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