\(697:\left(15x+364\right):x=17\)
\(\Leftrightarrow697:\left(15x+364\right)=17x\)
\(\Leftrightarrow697=17x\left(15x+364\right)\)
\(\Leftrightarrow255x^2+6188x-697=0\)
\(\Leftrightarrow nghiem-xau-minh-khong-lam-nhe!\)
(15x+364):x=697:17=41
15x+364=41x
364=41x-15x=26x
x=364: 26=14
Tìm x biết:
a) (2x-4).(3x+12)=0
b) 697:\(\frac{15x+364}{x}\)=17
(15x+364):x=697:17(x khác 0)
Tìm x
\(697:\frac{15x+364}{x}=17\)
Tìm x :
a) [ ( x + 32 ) - 17 ] * 2 = 42
b) [ 61 + ( 53 - x ) ] * 17 = 1785
c) 697 : 15x + 364 / x = 17
d) 92 * 4 - 27 = x + 350 / x + 315
1, [(10-x). 2+5 ] : 3-2 = 3
2, 697: [(15x+364):x ] = 17
tìm x
a , x-4867=(175.2050.70):25+23
b , 697:15x + 364/x = 17
c , 92.4-27=x+350 / x+315
697:(15x+364):x=17
92.4-27=(x+350):x+315
720:(41-(2x-51)=23.5
(x+1)+(x+2)+(x+3)+...+(x+100)=5750
Tìm x:
x
1 tính
1+2-3-4+5+6-7-8+......-299-30+301+302
2 tìm x
697:[ (15X+364) : X ]=17
X+5:2-(32+16*3:16-15)+0