一元一次方程练习 54.docx

1、一元一次方程练习 542(8+x)=-3(x+2) 2(7+x)=-8(x+5) 9(4+x)=-5(x-7)5(-3x-5)+1x=7 9(-4x+6)+8x=5 4(-7x-8)+8x=32x-15=2x+14 13x-3=7x-1 15x+46=5x-154(5-x)=-3(x+9) 3(7+x)=-5(x+5) 6(8-x)=-4(x+2)2(-4x-7)-6x=3 2(-8x-7)-8x=8 4(-9x-5)-7x=55x+7=3x-15 11x+24=9x-11 20x+18=8x+23(9-x)=-8(x+6) 5(6+x)=-4(x-6) 8(7-x)=-3(x+8)4(-4x

2、+9)-7x=1 6(-2x-3)+4x=5 9(-4x-4)+6x=814x-8=8x-5 19x+13=5x+18 6x+6=4x+112(3+x)=-5(x-3) 8(6-x)=-6(x-1) 6(2+x)=-4(x+6)2(-7x-8)-2x=9 3(-3x+2)-6x=4 8(-8x-7)-3x=118x-13=2x-3 2x+48=6x-3 2x+31=2x-204(8-x)=-7(x-1) 4(5+x)=-9(x-5) 2(2+x)=-9(x+4)2(-5x+6)-8x=8 6(-3x-6)-4x=3 9(-3x+1)-5x=73x-39=2x+19 6x-45=4x+8 15x

3、+48=2x+148(3-x)=-3(x-4) 2(5+x)=-7(x+4) 8(5+x)=-7(x-9)6(-9x-7)-5x=8 7(-4x-3)-2x=4 9(-1x+3)+7x=819x+30=8x-16 6x+35=5x-3 12x+17=3x-109(6-x)=-7(x-7) 7(8-x)=-5(x-7) 9(6-x)=-7(x+6)8(-2x-9)-2x=2 3(-7x+9)-6x=2 5(-4x-1)-1x=912x-16=6x-1 18x-38=7x-19 17x-15=2x+152(3+x)=-5(x-8) 4(6+x)=-6(x+6) 4(3-x)=-5(x-6)2(-4

4、x-3)-4x=9 5(-1x-1)-9x=3 2(-6x+4)+4x=319x+14=9x-13 7x-1=6x+10 18x-20=5x-38(9-x)=-6(x+8) 3(6-x)=-5(x-4) 3(3+x)=-7(x+8)6(-5x+8)-1x=5 6(-1x+2)-8x=7 6(-3x-6)+3x=110x+46=8x+20 11x-38=4x+13 16x+4=7x+126(1-x)=-8(x-9) 2(8+x)=-8(x-7) 4(5+x)=-7(x-4)4(-5x+5)+9x=6 2(-5x+7)-8x=6 8(-8x+9)-8x=218x+9=4x+7 6x-28=8x-7

5、 19x-31=9x-89x+8=4x-4 3x-11=3x-6 10x+30=4x-85(6-x)=-2(x+9) 4(1-x)=-3(x-2) 5(2+x)=-4(x-4)2(-3x+6)+3x=8 2(-7x-8)+4x=6 7(-3x+5)-6x=97x-34=7x+4 7x-40=7x-8 9x-28=9x-169(4-x)=-2(x+3) 4(4-x)=-3(x+7) 5(4-x)=-5(x-5)9(-2x+5)+5x=7 7(-5x-7)-7x=1 4(-1x-4)-9x=13x+8=8x-20 11x-44=8x-1 18x-45=3x-95(6+x)=-5(x-5) 9(7+

6、x)=-5(x+7) 7(8-x)=-2(x-5)2(-6x+2)+1x=6 3(-1x+4)-1x=4 9(-1x-4)-7x=113x+14=2x-17 16x-13=2x-1 13x-2=7x+153(9+x)=-8(x+8) 4(8-x)=-3(x+7) 5(1+x)=-7(x+2)6(-2x+2)+9x=9 3(-9x+7)+6x=2 4(-6x+1)-8x=713x-1=9x-15 19x+18=2x+5 5x-44=2x+26(3+x)=-6(x-8) 3(9+x)=-9(x+8) 8(1-x)=-8(x-4)3(-5x-7)+8x=5 4(-3x+3)-5x=2 6(-8x-6

7、)+2x=84x+49=4x+11 19x-7=9x+5 12x+40=3x+67(4+x)=-5(x-6) 2(6+x)=-7(x-3) 3(5-x)=-7(x-8)8(-2x-6)-8x=4 5(-8x-8)-4x=1 5(-1x+3)-9x=212x-43=3x-3 20x-33=5x+15 7x-22=6x-129(4-x)=-9(x-8) 2(7-x)=-5(x-4) 7(7+x)=-7(x+1)9(-7x-3)+5x=1 9(-8x+1)+4x=9 2(-5x-2)-9x=75x-26=9x-7 4x+30=4x-1 9x-42=3x+193(9+x)=-8(x-2) 9(9-x)=-2(x+9) 2(1-x)=-5(x-5)3(-3x+5)-5x=6 2(-3x-4)+8x=1 3(-6x+8)-1x=26x-21=5x+19 5x+7=2x-9 9x+45=7x-16