一元一次方程练习 90.docx

1、一元一次方程练习 908(-1x+8)-1x=1 3(-5x+1)-2x=4 2(-6x+9)-1x=57x+6=7x-15 14x-26=7x-17 5x-12=8x-175(2-x)=-7(x+8) 2(3-x)=-6(x-3) 2(7+x)=-6(x-9)2(-3x+7)-6x=2 6(-6x+1)-7x=7 3(-2x-3)+9x=317x+6=4x+13 2x-17=4x+15 16x-25=2x+148(1+x)=-9(x-9) 5(9-x)=-5(x+1) 9(2-x)=-2(x+1)4(-2x-3)+5x=9 3(-9x+1)+4x=2 7(-8x+1)-7x=86x+16=4

2、x+1 8x-17=5x-4 8x+24=6x-79(3+x)=-2(x-8) 5(5+x)=-6(x-3) 2(4+x)=-7(x+5)2(-7x+4)-8x=9 8(-9x-1)+9x=8 9(-3x-1)+2x=618x+39=4x+6 8x-44=2x-7 8x-40=9x+104(1+x)=-6(x-7) 6(3-x)=-8(x-9) 4(3+x)=-6(x-2)5(-4x+6)+3x=8 2(-2x+6)-9x=6 2(-7x+9)+8x=85x+5=9x+2 2x-4=5x+16 9x-33=4x-195(9+x)=-7(x+2) 8(4+x)=-8(x-9) 2(7-x)=-3

3、(x+1)4(-2x+5)-6x=5 4(-5x-2)-7x=2 3(-6x-6)-9x=412x+39=4x+15 3x+16=6x+15 20x+33=5x-124(5+x)=-8(x+2) 4(7-x)=-2(x-4) 2(3-x)=-2(x-1)2(-9x-5)-7x=3 7(-5x-9)-6x=2 6(-6x+4)+8x=910x-28=5x+1 11x-47=5x-11 10x-24=6x+172(7-x)=-6(x-8) 3(5-x)=-8(x-2) 6(9-x)=-2(x-8)6(-5x-8)+8x=2 5(-1x+4)+2x=7 4(-7x+5)+4x=310x-38=6x+

4、7 8x-20=6x+18 3x-16=3x+12(5-x)=-7(x+4) 6(8+x)=-4(x+3) 6(1-x)=-5(x+5)5(-3x-2)+6x=3 3(-6x-6)+1x=1 9(-2x+7)-9x=620x+15=4x+8 15x-5=5x-17 17x-44=4x-64(6+x)=-6(x+5) 7(7+x)=-4(x-4) 9(4+x)=-7(x-1)5(-3x+1)-3x=6 4(-3x+3)+5x=4 7(-5x+3)-4x=311x-28=6x-14 3x-13=6x+19 10x-43=3x+163(4+x)=-3(x-1) 9(5-x)=-9(x+8) 5(1-

5、x)=-4(x-8)6(-7x-4)+1x=8 6(-6x+2)+1x=8 7(-6x+7)+6x=320x+38=5x+12 18x+24=8x-15 6x-14=3x-62(7+x)=-7(x-4) 6(6-x)=-4(x+2) 7(9+x)=-6(x+1)6(-1x+9)+3x=1 6(-1x-6)+5x=1 7(-7x+7)-8x=117x-5=8x-3 5x+27=5x+18 17x-38=9x-189(4+x)=-5(x-6) 2(5-x)=-8(x+7) 3(6+x)=-5(x-2)8(-2x+1)-5x=3 4(-5x+7)-5x=6 9(-2x+8)+8x=36x-28=6x

6、+15 20x-39=3x+10 2x+22=3x+205(2+x)=-4(x-9) 9(6+x)=-9(x+9) 8(3-x)=-9(x-9)3(-1x+9)-1x=2 7(-9x-6)+4x=3 6(-4x+2)+2x=316x-4=6x-12 15x-32=2x-3 4x-8=3x+84(1+x)=-2(x-2) 2(6-x)=-5(x-2) 8(6+x)=-4(x+9)3(-3x+7)-9x=6 8(-8x-4)-1x=7 7(-1x+4)-9x=111x+37=5x+18 11x+10=5x-17 3x-47=3x+137(9+x)=-2(x-6) 7(6+x)=-9(x-3) 9(4+x)=-9(x+8)