Question 277801
Y=4X+8 OR
Y-4X=8
Y+4X=40 ADD.
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2Y=48
Y=48/2
Y=24 ANS.
24=4X+8
4X=24-8
4X=16
X=16/4
X=4 ANS.
PROOF:
24+4*4=40
24+16=40
40=40