1 answer:
Answer : D
2x=5y+4
15y=6x-12
Solve 2x=5y+4 for x
Divide both sides by 2
2x/2=(5y+4)/2
x = 5/2 y +2
Substitute 5/2 y +2 for x in 15y=6x-12
15y= 6x-12
15y= 6(5/2 y +2 ) -12
Simplify both sides of the equation
15y=15y
Add -15y to both sides
15y-15y= 15y-15y
0=0
Hey Lily , I hope this help and if you have question(s) please let me know . Thanks
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