Question

Solve x+0.5y=3.5 and 0.5x-0.3y=1.9 by substitution method​

Answer 1

Answer:

x + 0.5y = 3.5 ...(1). 0.5x + 0.3y = 1.9 ...(2). From (1), x = 3.5 - 0.5y ....(3). Putting this value in (2). 0.5(3.5 - 0.5y) + 0.3y = 1.9. 1.75 - 0.25y + ...