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7+=19 X+120=176 58+X=90 X+150=290

79.4+X=95.5

4.4X=444

X-6=19

X-77=275

2X+55=129 X ¡Á 4.5=90 X-3.3=8.9 X-77=144 7 X=63 X ¡Á 5=100 X-25.8=95.4 X ¡Â7=9 X¡Á 9=4.5 6.2X=124 X-54.3=100 X¡Â4.4=10 X¡Â78=10.5 X¡Â2.5=100 X¡Â3=33.3 X¡Â2.2=8

9-X=4.5

77-X=21.9

9¡ÂX=0.03

3¡Á(X-4)=46

73.2-X=52.5 99-X=61.9 7¡ÂX=0.001 (£¸+X)¡Â5=15 87-X=22 3.3¡ÂX=0.3 56¡ÂX=5 (X+5) ¡Â3=16 66-X=32.3 8.8¡ÂX=4.4 39¡ÂX=3 15¡Â(X+0.5)=1.5 12X+8X=40 12X-8X=40 12X+X=26 X+ 0.5X=6

X-0.2X=32

6¡Á5+2X=44

24-3X=3

X-6=12

1.3X+X=26 20X-50=50 £¨5+1£©=60 56-2X=20 3X+5X=48 28+6X=88 99X=100-X 4X+2=6 32-22X=10 X+3=18 X+32=76 14X-8X=12 10X¡Á 3X+6=18 16+8X=40 2X-8=8 4X-3¡Á9=29

8X-3X=105

X-0.8X=6

(X-2)¡Â3=7

3X-8=16

X-6¡Á5=42 12X+8X=4.8 X¡Â5+9=21 3X+9=27 X+5=7 7(X-2)=49 (200-X)¡Â5=30 5.3+7X=7.4 2X+3=10 4¡Á8+2X=36 48-27+5X=31 3X¡Â5=4.8