(1)16x-40=9x+16是多少?(2) 4x=20/3x+16 (3)2(3-x)=-4(x+5) (4)3(-2

学习时间:2026-04-02 08:07:23 阅读：6095

(1)16x-40=9x+16是多少?(2) 4x=20/3x+16 (3)2(3-x)=-4(x+5) (4)3(-2x-5)+2x=9

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2026-04-02 08:07:23

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(1)16x-40=9x+167x=56x=8(2) 4x=20/3x+16 8/3x=-16x=-6(3)2(3-x)=-4(x+5)6-2x=-4x-202x=-26x=-13(4)3(-2x-5)+2x=9-6x-15+2x=94x=-24x=-6