)2y-x-0; 10x+15y = 105
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x=6 and y=3
Step-by-step explanation:
we have 2 equation here
2y-x -0 eq 1
10x+15y=105 eq 2
we can rewrite eq 1 as
2y-x=0
then
2y=x or x=2y eq 3
put the value of x in eq 2
10(2y)+15y=105
20y+15y=105
35y=105
y=105÷35
y=3
now
put the value of y in eq 3
x=2y
x=2(3)
x=6
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