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2(8x+5)=4(3x+1)2.5(x+3)-4(2x-9)=03.3(5x-6)/4+2=4x |
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Answer» 16x+10=12x+4 16x-12x=4-10 4x=-6 x=-6÷4 x=-1.5 ii)2.5(x+3)-4(2x-9)=0 2.5x+7.5-8x+36=0 2.5x-8x+7.5+36=0 -5.5x+43.5=0 43.5=0+5.5x 43.5=5.5x 43.5÷5.5=x x=~7.9 |
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