\(-5x\left(7-6x\right)-3x\left(10x+4\right)=94\)
\(-35x+30x^2-30x^2-12x=94\)
\(-47x=94\)
\(x=\left(-2\right)\)
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-3/5 * x +1/2=4/5
1/2*+3/8=7/16
2/3x - 5/6x = -1/2
2/5x + 3/10x = -1/5
1) TÌm x biết:
a) ( 1/7x - 2/7).(-1/5x + 3/5).(1/3x + 4/3) =0
b) 1/6x + 1/10x -4/15x +1 =0
x+2x+3x+3x+4x+5x+6x+7x+8x+9x+10x=-165.tim x
x.1x.2x.3x.4x.5x.6x.7x.8x.9x.10x.11x=5500
x=?
a)-12+x=5x-20
b)7x-4=20-3x
c)5x-7=-21-2x
d)x+15=7-6x
e)17-x=7-6x
làm ơn giải giùm với,mình sẽ like cho
Rút gọn
a) (4x 6 + 10x2) . ( 2x 4 ) - ( 3x3 ) . ( 5x 3 - 5x6 )
b ) 100 + 99 - 98 - 97 + 96 + 95 - 94 -93 + ..... + 4+3 -2-1
c) 22 +23 + 24 + 25 + ..... + 2100
Giúp mình v
Bài10872917292872917 tìm x bt
5x-16=40+x
4x-10=15-x
-12+x=5x-2
7x-4=20+3x
5x-7=20+3x
x+15=7+6x
17-x=7-6x
3x+(-21)=12-8x
125:(3x-13)=25
541+(218-z)=735
3(2x+1)-19=14
175-5(x+3)=85
4x-40=|4|+12
x+15=20-4x
8x+|-3|=-4x+39
6(x-2)+(-2)=20-4x
giúp mình giải bài toán.......
1)3x-6=5x+2
2)15-x=4x-5
3)x-15=6+4x
4)-12+x=5x-20
5)7x-4=20+3x
6)5x-7=-21-2x
7)x+15=20-4x
8)17-x=7-6x
9)-4|x-2|=-8
10)-7|x+4|=2.(-7)
A) 7/3x+5 = 9/6x-7
B) 3x+6/4 = 5-7x/6
C) 12/5x+6 = 17/3x+12
D) 6(3x+7) = 12(2x-4)
E) 13(2x-9)= 8(3x-13)
Giải rõ giùm em với
a, 3 - (7x - 6 ) - ( -4x + 2 ) = - ( -4 - 3x)
b, 4x + ( -8x + 3 ) = - (-7x +6 ) - 5 x
c, 6 - ( -4 -3x ) - ( 2 - 5x ) = 7 - ( 6x - 1 )