(2x+5,2)÷3=4,1÷1,5 2x+5,2\4=4,1\1,5

Question

(2x+5,2)÷3=4,1÷1,5
2x+5,2\4=4,1\1,5

Answer 1

2х+5.2/3-4.1/1.5=0
2x+2.6-4.1=0
2x=1.5
x=1.5/2=0.75
ответ:0.75

Comments

2x+5,2\3=4,1\1,5. 12,3=3x+7,8. -3=-4,5. x=1,5

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3x-2,2\8=3,4\4. (3x-2,2)×4=27,2. 12x-8,8=27,2. 12x=36. x=36÷12. x=3

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8\12,8=x-3\3,2. 8×3,2=12,8×[x-3]. 25,6=12,8-38,4. 12,8x=-38,4-25,6. x=64÷12,8. x=5

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3x-2,2\8=3,4\4. (3x-2,2)×4=8×3,4. 12x-8,8=27,2. 12x=36. x=36÷12. x=3