Question

В) (4+х)-5=1. Г) 15(3-х)=45. Д) х+3/4х=28

Answer 1

1)(4 + х) - 5 = 1
х = 1 + 5 - 4
х = 2
2)15(3-х) = 45
45 - 15х = 45
-15х = 0
х = 0
3) х + 3 / 4х = 28
х = 28 - 3 * 4
х = 100