Question

Solve by Substitution method:0.5x-0.1y=0.7 and 1.5x+0.3y=3.9 ........plz answer I will mark as brainiest

Answer 1

Answer:

it can't be solved by substitution method...

Step-by-step explanation:

i)0.5x-0.1y=0.7

ii)1.5x+0.3y=3.9...multiply both sides  by 10 in i and ii

i.e..5x+y=7 and 15x+3y=39..