BlackWidow218
BlackWidow218
20-05-2017
Mathematics
contestada
Find the value of the variable
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Яɒwɿ
Яɒwɿ
20-05-2017
x+1=y and 3y-7=2x are your two equations.
Substitute x+1 in for y
3(x+1)-7=2x
3x+3-7=2x
x-4=0
x=4
Plug in 4 for x in either equation to solve for y
x+1=y
4+1=y
5=y
x=4 and y=5
Hope I could help!
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