元一次方程计算题
(1) 7(2x-1)-3(4x-1)=4(3x+2)-1;
(2) (5y+1)+(1・y)=(9y+1)+(1・3y);
(3) [(1/4x-3)-4 ]=x+2;
(5)元一次方程计算题
(1) 7(2x-1)-3(4x-1)=4(3x+2)-1;
(2) (5y+1)+(1・y)=(9y+1)+(1・3y);
(3) [(1/4x-3)-4 ]=x+2;
(5) 2(x-2)+2=x+1
11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
(9) 3(x-7)-2[9-4(2-x)]=22
(10) 3/2[2/3(1/4x-1)-2]-x=2
(4) 20%+(1 -20%)(320-x)=320x40%
2(x-2)-3(4x-1 )=9(1-x)
(11) 2x-=15
(12) -(1-)x=80
(16) 3x-7(x-1)=3-2(x+3)
(17) 18x+3x-3=18-2(2x-1)
(19) -(x/4-1)=5
(18) 3(20-y)=6y-4(y-11)
(20) 3[4(5y-1)-8]=6
1
(21) —x + 2 = 3——x;
4
(x+1)—3(x—1)=1—3x;
(x—2)—2(4x—1)=3(1—x).
3x-l _ 4x + 2
(25)
2 5
(26)
(28)
x —3 x + 3 . - , x 4-x
—=x —4 =
6 ; (27)
>• 5 , 八 u g 0. lx — c
一 [一(x — 4) + 5 x — 10] = x — 2 ;
4
4x-3 (20-x) =6x -7 (9一x)
(29)
(32)
(33)
B部分
3x-l . 5x-7
1 =
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