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x=15
y=5
you can see the method from the picture above
y=5
you can see the method from the picture above
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Niketan11Murodiya:
hii please tell me that app name
photomath+
thanks
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x+3y=45, 3x+4y=65
now subtract them then
3x+4y-x+3y=65-45
=>2x+7y=20
now 3x+4y-2x+7y=45-20
x+11y=25
x=25-11y
3x+4y=3(25-11y) +4y =45
75-33y+4y=45
29y=45-75= -30
y= -30/29
x+3y=45
x+3(-30/29)=45
x+-90/29=45
x=45-90/29=1305-90/29=1215/29.
x=1215/29 and y= -30/29.
Hope it helps
now subtract them then
3x+4y-x+3y=65-45
=>2x+7y=20
now 3x+4y-2x+7y=45-20
x+11y=25
x=25-11y
3x+4y=3(25-11y) +4y =45
75-33y+4y=45
29y=45-75= -30
y= -30/29
x+3y=45
x+3(-30/29)=45
x+-90/29=45
x=45-90/29=1305-90/29=1215/29.
x=1215/29 and y= -30/29.
Hope it helps
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