Question

Solve the following systems of equations:
0.5x + 0.7y = 0.74
0.3x + 0.5y = 0.5

Answer 1

Answer:

these have intersecting lines

Answer 2

Answer:

Step-by-step explanation:

multiply both the equations by 100

50x + 70y=74 __1

30x+50y=50 __2

multiply equation 1 by 3 and equation 2 by 5

150x+210y=222

150x+250y=250

subtracting:-

40y=28

y=28/40=0.7

equating in equation 1

50x + 70*0.7=74

x=25/50=0.5

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