2y-3x=-27
5y+3x=6
Solve x and y
1 answer:
Answer: y=-3 x=7
Step-by-step explanation:
2y-3x=-27.............(1)
5y+3x=6.................(11)
Add (1) and (11)
2y+5y-3x+3x=-27+6
7y=-21
Divide both sides by 7
7y/7=-21/7
y=-3
Substitute y=-3 in 5y+3x=6
5(-3)+3x=6
-15+3x=6
3x=6+15
3x=21
Divide both sides by 3
3x/3=21/3
x=7
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Step-by-step explanation:
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A math test is a situation in which you would need to do this :)
