4x+1.2×5＝24.4 x-0.7x=2.1 8x+5x=2.6 （4x+5）÷2=4x+1.2×5＝24.4 x-0.7x=2.18x+5x=2.6 （4x+5）÷2=17.52x-16=24

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4x+1.2×5＝24.4x-0.7x=2.18x+5x=2.6（4x+5）÷2=4x+1.2×5＝24.4x-0.7x=2.18x+5x=2.6（4x+5）÷2=17.52x-16=244x+1.2

4x+1.2×5＝24.4 x-0.7x=2.1 8x+5x=2.6 （4x+5）÷2=4x+1.2×5＝24.4 x-0.7x=2.18x+5x=2.6 （4x+5）÷2=17.52x-16=24
4x+1.2×5＝24.4 x-0.7x=2.1 8x+5x=2.6 （4x+5）÷2=
4x+1.2×5＝24.4 x-0.7x=2.1
8x+5x=2.6 （4x+5）÷2=17.5
2x-16=24