Answer:
X=11
Step-by-step explanation:
4x - 13 = 2x + 9
-2x -2x
2x-13=9
+13=+13
2x=22
divide by two each side
2/2=1
22/2=11
x=11
5
.05 ×100=5 per cent
a nickel is 5 cent
a) 110°
b) 39°
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