Các câu hỏi tương tự
Tim so nguyen x biet:
a.7-x=8-y-7
b.x-8=-3-8
tim so nguyen x, biet
a. 7 - x = 8 - ( -7 )
b. x - 8 = ( -3 ) = -8
tim so nguyen a, biet
a. gia tri tuyet doi a gia tri tuyet doi = 2
b. gia tri tuyet doi a + 2 gia tri tuyet doi = 0
De tim so tu nhien x ,biet rang neu lay so do tru di 3 roi chia cho 8 thi dc 12 ,ta co the viet (x-3) :8=12roi tim x , ta duoc x =99.
Bang cach lam nhu tren ,hay tim so tu nhien x,biet rang neu no nhan voi 3 roi tru di 8 ,sau do chia cho 4 thi dc 7
Tim x €Z biet
/7-x/=-1-5×(-8)
de tim so tu nhien x ,biet rang neu lay so dotru di 3 roi chia cho 8 thi dc12 ,ta co the viet (x-3) :8 =99
dang cach lam nhu tren ,hay tim so tu nhien x ,biet rang nhan 3 roi turu di 8 ,sau chia 4 thi dc 7
Tim x biet
2x + 3 =7
x^2 +4 =8
tim so nguyen x,y,z biet: -4/8=x/-10=-7/y=z/-24
tim x thuoc z biet:
8.(x-7)-6.(x-2)=8.6-50
De tim so tu nhien x,biet rang neu lay so do tru di 3 roi chia cho 8 thi duoc 12 , ta co the viet (x-3) chia cho 8 =12 roi tim x,ta duoc x =99
Bang cach lam nhu tren ,hay tim so tu nhien x ,biet rang neu nhan no voi 3 roi tru di 8 ,sau do chia cho 4 thi duoc 7
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