1) (53-58)x/2 = 3/7-5x/2 = 3/7-5x = 6/7x = -6/35
2) x/3 = 2/55x = 6x = 6/5
3) x/12 = 7/1010x = 84x = 84/10x = 42/5
4) x/16 = 9/3232x = 144x = 144/32x = 9/2
Поэтому решения пропорций:1) x = -6/352) x = 6/53) x = 42/54) x = 9/2
1) (53-58)x/2 = 3/7
-5x/2 = 3/7
-5x = 6/7
x = -6/35
2) x/3 = 2/5
5x = 6
x = 6/5
3) x/12 = 7/10
10x = 84
x = 84/10
x = 42/5
4) x/16 = 9/32
32x = 144
x = 144/32
x = 9/2
Поэтому решения пропорций:
1) x = -6/35
2) x = 6/5
3) x = 42/5
4) x = 9/2