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求五道一元一次不等式组的计算题,要简单点,带答案。。。

箐忧网箐忧网1) 3-(a-5)>3a-4 (a1又3分之1) 3)3-4[1-3(2-x)] 大于等于 59 (x小于等于- 3) 4)6(1-3分之1x)大于等于 2+5分之1(10 15x) (x大于等于-2) 5)6分之7x-13>3分之3x-8 (x>-3) 6)4x-10-4) 7) x-2-2分之2-x>3分之x-2 (x>2) 8) x-6分之2-x-3分之4x-

1. 3X+1<3(X+19)+1 2X+7≥2(X+14)+92. 6X+6<7(X+2)+1 2X-11<6(X-5)-13. 7X-10<4(X-13)-3 5X-3≤5(X-2)-94. 6X+9>1(X+5)+2 3X-7>6(X-13)-45. 6X-1<7(X-11)-1 3X-19>5(X

1、2X+3>0 -3X+5>0 2、2XX+2>0 3、5X+68-7X>4-5X 4、2(1+X)>3(X-7) 4(2X-3)>5(X+2) 5、2XX+3>0 6、1-X>0 X+27、5+2X>3 X+28、2X+41/2(X+8)-2>0 9、5X-2≥3(X+1) 1/2X+1>3/2X-3 10、1+1/2X>2 2(X-3)≤4

66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48 (4) 76x-66y=4082 30x-y=2940 答案:x=98 y=51 (5) 67x+54y=8546 71x-y=5680 答案:x=80 y=59 (6)

1. 3X+11(X+5)+2 3X-7>6(X-13)-45. 6X-15(X-19)-46. 5X-19>6(X-13)-6 2X-5>6(X-16)-67. 5X-185(X-19)-113. 7X-165(X+11)+329. 6X-18≤4(X-16)-10 3X-11>6(X-14)-730. 3X+9≥7(X+1)+5 3X-24(X-18)-1 2X-81(X-11)-634. 4X-134(X-6)-8 7X+3≥1(X+

3x(x+5)>3x2+7 x-4 3x+14 > 4(2x-9) 3x-7≥4x-4 2x-3x-30.4(x-1)≥0.3-0.9x x-4 2x-6 3*10x7(X+3)>98 2x-3x+32x-3x+12x-3x+32x-193x-2(9-x)>3(7+2x)-(11-6x) 2(3x-1)-3(4x+5)≤x-4(x-7) 2(x-1)-x>3(x-1)-3x-5 15-(7+5x)≤2x+(5-3x) 2X+3>0 -3X+5>0 5X+64(2X-

6x+8>3x+83x-7≥4x-42x-192x-3x+13x-2(9-x)>3(7+2x)-(11-6x)2(3x-1)-3(4x+5)≤x-4(x-7)2(x-1)-x>3(x-1)-3x-53[y-2(y-7)]≤4y15-(7+5x)≤2x+(5-3x)20x-3≤5x+(x-5)7x-2(x-3)3(2x-1)5-x(x+3)>2-x(x-1)3-4[1-3(2-x)] >594x-103(6+x)>6(X+3) 2/3(x+6-9)x-7>26 3x2/3x

3x(x+5)>3x2+7 x-4 4(2x-9) 3x-7≥4x-4 2x-3x-30.4(x-1)≥0.3-0.9x x-4 98 2x-3x+32x-3x+12x-3x+32x-193x-2(9-x)>3(7+2x)-(11-6x) 2(3x-1)-3(4x+5)≤x-4(x-7) 2(x-1)-x>3(x-1)-3x-5 15-(7+5x)≤2x+(5-3x) 2X+3>0 -3X+5>0 5X+64(2X-3)>5(X+2) 2X+45X-2≥3(X+1

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