Solve the following systems of equations:
0.5x + 0.7y = 0.74
0.3x + 0.5y = 0.5
Answers
Answered by
0
Answer:
these have intersecting lines
Answered by
1
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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