Question

раскрой скобки и упрости a) 2*(x-7y+3z) b) -7*(5-a-4b) c) (x+23)-(x+75) d) -(72-y)+(-y+16)

Answer 1

А) 2х-14у+6z
b)-35+7a+4b
C)x+23-x-75=-52
d)-72+y-y+16=-56