【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-5=9(5) 6=-2y-4 (6) -x+5=2x-4 (7) 5/7b=b (8) 3x-4=2x-3(9) -5a=9-7a (10) 56=3x+3
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![【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-5=9(5) 6=-2y-4 (6) -x+5=2x-4 (7) 5/7b=b (8) 3x-4=2x-3(9) -5a=9-7a (10) 56=3x+3](/uploads/image/z/226689-33-9.jpg?t=%E3%80%90%E8%A7%A3%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E3%80%911.%E8%A7%A3%E4%B8%8B%E5%88%97%E6%96%B9%E7%A8%8B+%281%29+x%2B5%3D2+%282%29+-3%3Dx-9+%283%29+3x%2B5%3D1%2F2+%284%29+2x-%E3%80%90%E8%A7%A3%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E3%80%911.%E8%A7%A3%E4%B8%8B%E5%88%97%E6%96%B9%E7%A8%8B+%281%29+x%2B5%3D2+%282%29+-3%3Dx-9+%283%29+3x%2B5%3D1%2F2+%284%29+2x-5%3D9%285%29+6%3D-2y-4+%286%29+-x%2B5%3D2x-4+%287%29+5%2F7b%3Db+%288%29+3x-4%3D2x-3%289%29+-5a%3D9-7a+%2810%29+56%3D3x%2B3)
【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-5=9(5) 6=-2y-4 (6) -x+5=2x-4 (7) 5/7b=b (8) 3x-4=2x-3(9) -5a=9-7a (10) 56=3x+3
【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-
【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-5=9
(5) 6=-2y-4 (6) -x+5=2x-4 (7) 5/7b=b (8) 3x-4=2x-3(9) -5a=9-7a (10) 56=3x+32-2x(要步骤!)
【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-【解一元一次方程】1.解下列方程 (1) x+5=2 (2) -3=x-9 (3) 3x+5=1/2 (4) 2x-5=9(5) 6=-2y-4 (6) -x+5=2x-4 (7) 5/7b=b (8) 3x-4=2x-3(9) -5a=9-7a (10) 56=3x+3
1.X+5=2 x=2-5 x=-32.-3=x-9-3+9=x x=63.3x+5=1/26x+10=1 6x=1-10 6x=-9 x=-3/24 2x-5=9解 2x=9+5 2x=14 x=75.6=-2y-4 解 6+4=2y 10=2y y=56.-x+5=2x-4 -x+5-2x=-4-3x=-4-5-3x=-9x=37 .5/7b=b b=08.3x-4=2x-33x-4-2x=-3x=-3+4x=79.-5a=9-7a 解-5a+7a=92a=9a=4.510 56=3x+32-2x解:56=32+xx=56-32x=24