A+B+C+D =45 . A + 2 = x ,B -2 = x , C×2 = x , D÷ 2 = x . find the nos
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Answered by
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x-2+x+2+x/2+2x =4x+x/2= 8x+x/2= 9x=45×2 x = 5×2=10 so A= 8 B = 12 C= 5 D=20
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where did the 45 go
Answered by
2
A=x-2
B=x+2
C=x/2
D=x*2
put this value in A+B+C+D =45
x-2+x+2+x/2+2x=45
x/2+2x=45
x+4x=45*2
5x=45*2
x=45*2/5
x=9*2
x=18
therefore your x is 18
A=18-2
=16
B=18+2
=20
C=18/2
=9
D=18*2
=36
B=x+2
C=x/2
D=x*2
put this value in A+B+C+D =45
x-2+x+2+x/2+2x=45
x/2+2x=45
x+4x=45*2
5x=45*2
x=45*2/5
x=9*2
x=18
therefore your x is 18
A=18-2
=16
B=18+2
=20
C=18/2
=9
D=18*2
=36
good ut correct
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