Answer:
X=48
Explanation:
.5(x+20)= 6+ .25(x+64)
.5x +10 = 6 + .25x +16
.5x+10= 22+ .25x
-.25x -.25x
_______________
0.25x + 10 = 22
-10 = -10
_____________
.25x = 12
Divide both side by .25
X= 48
x=48
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