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If displaystylefleft(2x+1 ight)=2x-1 for all real numbers x, then displaystylefleft(x ight) = ?
displaystylefleft(x ight)=x-2 Explanation:the difference betweendisplaystyle2x+1anddisplaystyle2x-1isdisplaystyle2 . displaystyleleft(2x-1 ight)-left(2x+1 ight)=2x-2x-1-1=-2 ...
2x+7(x+3)=75 One solution was found : x = 6 Rearrange: Rearrange the equation by subtracting what is khổng lồ the right of the equal sign from both sides of the equation : ...
By performing a series of identical simple arithmetic operations on both sides of the given equation, we can solve it asdisplaystylex=3 Explanation: displaystyle4x+5=x+14 ...
Gió Mar 24, năm ngoái I would collect all thedisplaystylexon the left & all the numbers on the right but remember khổng lồ change their signs when you move them across the equal sign: displaystyle4x-3x=-7+18 ...
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So there are an infinite number of solutions fordisplaystylex Explanation:Consider the left hand side: displaystyle2left(x+1 ight) o2x+2 So the left matches exactly ...
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left< eginarray l l 2 & 3 \ 5 và 4 endarray ight> left< eginarray l l l 2 & 0 và 3 \ -1 & 1 và 5 endarray ight>
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