\(\frac{x+3}{7}=\frac{2-x}{3}=>\left(x+3\right).3=\left(2-x\right).7=>3x+9=14-7x=>3x+7x=14-9=>10x=5=>x=\frac{5}{10}=\frac{1}{2}=0,5\)
vậy x=1/2=0,5
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ôg giúp t cái nài nữa :
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