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| How do we know whether to add or to subtract the equation? Does this formula work? "- and - makes +", "+ and + makes +", "+ and - makes -", "- and + makes -" | |
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| We are currently doing trigonometric and quadratic equations in maths but just can't seem to get my head round how to do these. Is there an easy way to tackle them or explain them? | |
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| When asked to solve an equation how do I know when to use a formula or when there should be two answers | |
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| How do you work out the simultaneous equation of 3x+2y+4=0, 2x+3y-4=0? | |
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| I've been revising indices and I cannot answer the following question. X to the power a half (X to the power a half + X to the power a minus half)=? | |
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| How do I do this equation 8-x=2x-1?? | |
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| Please can u help me to solve this equation! 5(2x - 1) - 6(2x + 4)= 11 This is what I have done, is it correct?? 10x - 5 -12x - 24= 11 -2x - 29= 11 -2x= 40 2x= -40 x= 20 | |
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| My friends and I are baffled by equations! Could you fully explain how to do 2(3y -1) + 5= 9 and 35= 5(2x - 1) + 10 please? | |
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| If Q + (R/ x-3)= (3x+5)/( x-3) for all values of x, determine values for Q and R. | |
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| This is a question I'm stuck at - it's a simultaneous equation. A district council decides to plant maple and rowan trees. They plant 180 trees. It comes to a total of £1500. Maple= £9, Rowan= £7.50.Maple=m rowan=r. From the above information... | |
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