8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2
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8x-5.5x=7.5
7.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.5
12x-x=0 5x+x=1.8 3.2x+1.8x=6
4.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.7
20x-2x=36 9x+6x=4.5 18x-12x=5.4
2x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.7
1.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=56
2.8x-2x=7.2 4.7x+2.3x=0.7×5 6x-4x=38
x+3.5x=9 x+x+x=15
8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2
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