162k views
0 votes
X - 9 = 0.7*x + 0.6*x

User Saju
by
4.3k points

1 Answer

4 votes

Answer:

x = -30

Explanation:


0.7x+0.6x=1x-9\\=>1.3x=1x-9\\=>1.3x-1x=9\\=>0.3x=-9\\=>(3)/(10)x =-9\\=>x=(-9*10)/(3) =-30

User Mpeac
by
4.7k points