Question

a) 6 + 4a-5a+a-7a
b)5*(x-2)-6*(x+3)-3*(2x-9)
c) 4/9*(2.7y-2 1/4x)-4.2*(5/7y-0.5x)
УПРАСТИТЕ?!!, ​

Answer 1

a) 6-7a
b) -7x-1
c) -9/5y+11/10x