Question

(4.5-x)*7=17.5 x/2+4=3/2x+1 7/2*2/3-4x=7/3 5/8(x-.3)=75% 1+x

Answer 1

(4.5-x)*7=17.5

4.5-x=17.5/7

x=4.5-2.5

x=2

x/2+4=3/2x+1

x/2-3x/2=1-4

x=3

7/2*2/3-4x=7/3

7/3-4x=7/3

x=0

5/8(x-.3)=75%

x-3=3/4*8/5

x=3+6/5

x=21/5

(1+x）/4=4:5

1+x=4*4/5

x=11/5