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2 votes
Please help I need this in an hour

Please help I need this in an hour-example-1

1 Answer

5 votes
X=4
: 21=[(3x+1)+2x]
: 21-1 =3x+2x
: 20 =5x
: x= 20/5
: x=4
WX: 4x2
: 8

XY: 4x3+1
: 12 +1
:13

XZ:8+3x4+1
:9+12
: 21
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