please help me find out the answer do all
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please help me find out the answer do all
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Answer:
3.(a) 4 (x-2)=2x+10
4x-8=2x+10
4x-2x=10+8
2x=18
x=18÷2=9 Ans....
3.(b) 8 (x+11)=100
8x+88=100
8x=100-88
x=12÷8=3/2 Ans....
3.(c) P÷2-1=p÷3+4
p÷2-p÷3=4+1
(3p-2p)÷6=5
p=5×6=30 Ans...
3.(d) 5-x÷2=10
5-x=10×2
-x=10×2÷5
x=-4 Ans....
3.(e) 3x-5=2x+4
3x-2x=4+5
x=9 Ans....
3.(f) 1÷3x-5=x+2
1/3x-x/1=2+5
x-3x÷3=7
-2x÷3=7
-x=7×3÷2
-x=21÷2
x=21/2
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