\(3x - 7 = 28 \)
\(3x = 28 +7\)
\(3x = 35\)
\(x=35:3\)
\(x=\dfrac{35}{3}\)
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\(3x - 7 = 28 \)
\(3x = 28 +7\)
\(3x = 35\)
\(x=35:3\)
\(x=\dfrac{35}{3}\)
3x-7=28
-7(3x-5)+2(7x-14)=28
(3x/7+1):(-4)=-1/28
( 3x/7 + 1 ) : (-4) = -1/28
(3x/7+1) : (-4) = -1/28
Tìm x biết
0,5x - 2/3x = 7/12
5,5x = 13/15
(3x/7 +1) : (-4)= -1/28
-7.(3x-5)+2.(7x-14)=28
-7×(3x-5)+2(7x-14)=28
-7(3x-5)+2(7x-14)=28
3x-7-|12x-5|=28