3,8,24,8,5,100,8,7,11,8
直接写出x的值6x+3=21 3x-2X4=16 2x+7=55 6x-3X8=24 5x+27=52 6+0.7x=8
2个回答
相关问题
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①27x-4x=34.5②3x2.8=4.3③12x-24=6④5.8+2x=20五6.9x-4.1=9.7⑥3.6x+
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19x-8x=55 2×（7x-4x）=18 6x+8x=1.4×3 5x+0.1x=50+6.1 7.2x-3.6x=
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19x-8x=55 2×（7x-4x）=18 6x+8x=1.4×3 5x+0.1x=50+6.1 7.2x-3.6x=
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3.2x+2.2x=10.8 7x-3x=24 x+6.2x=14.4 x-0.84x=21.6 急
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21+4x=49 2/3x×3/5=8 6x-3/2x=54 3.7-0.5x=16 2.4x-2.8=3.2 3x-5
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1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9
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5.5x+6.7=7.8 28-x+3.6=20 3.5x-0.8x=11.34 8x-27.54÷2.7=1.8 6.
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解方程． 4.2x-2.7×4=6 0.8x+x=5.4 2x-3.4=7.2 5.3+3x=6.8 6.3-2x+4.
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5(x-3)=55 4（X+8.2)=40.8 (X-9)/7=6