Question

1) 18 . x+x+x= 48.25
2) [(2.x-5) :(15+10)] . 20 =100 
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Answer 1

1) 18 . x+x+x=48x25

=18 .x + 2. x=4 . 5. 12 .5

=20.x=20.60

=>x=120:20=60

2) [(2.x-5):(15+10)].20=100

(2x-5):25=20.100

(2x-5):25=2000

2x-5=2000x25

2x-5=50000

2x=50005

x=\(\frac{50005}{2}\)

Answer 2

1) 18.x+x+x=48.25

=> 20x=1200

=> x=60

2) [(2x-5):(15+10)].20=100

=> (2x-5):25 =5

=>2x-5= 125

=>2x=130

=>x=65