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5x8+2=42出个应用题

一堆苹果和一堆梨,梨比苹果的八倍还多2个。已知苹果有5个,问梨多少个?

1. 2(x-2)-3(4x-1)=9(1-x) 2. 11x+64-2x=100-9x 3. 15-(8-5x)=7x+(4-3x) 4. 3(x-7)-2[9-4(2-x)]=22 5. 3/2[2/3...

5x*56+(-3^3-x)]/9=5 89x/3-5^2-(8-5x)/5=541 x+7-(-36+8^2)/2=8+7^4/3 a-7-98+7a=3.2*5a 89/2+35/6x=3*9+2^3/5+7x 3X+189/3=521/2 4Y+119*^3=22/11 7(2x-1)-3(4x-1)/9=[4(3x+2)-1]/9 [(5y+1)+ (1-y)]/2= [(9y+1)+ (1-3y)]/3 [-6(-7^4*8)-4]/5=(...

1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9 (7)x-8=6x (8)4/5x=20 (9)2x-6=12 (10)7x+7=14 (11)6x-6=0 (12)5x+6=11 (13)2x-8=10 (14)1/2x-8=4 (15)x-5/6=7 (16)3x+7=28 (17)3x-7=26 (18)9x-x=16 (19)24x+x=50 (20)6/7x-8=4 ...

够不? 3X+189=521 4Y+119=22 3X*189=5 8Z/6=458 3X+77=59 4Y-6985=81 87X*13=5 7Z/93=41 15X+863-65X=54 58Y*55=27489 3X+5X=48.

ax+b=bx+a ax-bx=a-b (a-b)x=a-b x=(a-b)/(a-b)(a不等于b) x=1 2;如果方程m-5/2x/4=m+5x/3与方程5x-6/3=3x+10/4+1的解相同则m=( ) (5x-6)/3=(3x+10)/4+1 4(5x-6)=3(3x+10)+12 20x-24=9x+30+12 20x-24=9x+42 20x-9x=24+42 11x=66 x=6 [(m-5)/2x...

[5x*56+(-3^3-x)]/9=5 89x/3-5^2-(8-5x)/5=541 x+7-(-36+8^2)/2=8+7^4/3 a-7-98+7a=3.2*5a 89/2+35/6x=3*9+2^3/5+7x 3X+189/3=521/2 4Y+119*^3=22/11 7(2x-1)-3(4x-1)/9=[4(3x+2)-1]/9 [(5y+1)+ (1-y)]/2= [(9y+1)+ (1-3y)]/3 [-6(-7^4*8)-4]/5=...

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