substitution method of this sum
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3x-5y=4
3x=5y+4
x=(5y+4)/3___(1)
9x-2y=7___(2)
Putting equation (1) into equation (2)
9×(5y+4)/3-2y=7
3(5y+4)-2y=7
15y+12-2y=7
13y=-5
y= -5/13
x=(5y+4)/3
x=(5×-5/13+4)/3
x=9/13
Hope this helps you...
Please mark it brainliest......
3x=5y+4
x=(5y+4)/3___(1)
9x-2y=7___(2)
Putting equation (1) into equation (2)
9×(5y+4)/3-2y=7
3(5y+4)-2y=7
15y+12-2y=7
13y=-5
y= -5/13
x=(5y+4)/3
x=(5×-5/13+4)/3
x=9/13
Hope this helps you...
Please mark it brainliest......
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