4x-3y=8 and 18x -3y=24 by substituting method
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Step-by-step explanation:
in equation (1)
4x-3y=8
4x=8+3y
x=8+3y/4.......(a)
in equation (2)
18x-3y=24
3(6x-y)=3(8)
6x-y=8.......(b)
putting the value of (a) in (b)
6(8+3y/4)-y=8
48+18y/4-y=8
48+18y-y=8×4
48+17y=36
17y=36-48
y=-12/17.
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