Solve for x
x=2
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5x-3=2x-\left(3x-4\right)+5
Combine 4x and x to get 5x.
5x-3=2x-3x-\left(-4\right)+5
To find the opposite of 3x-4, find the opposite of each term.
5x-3=2x-3x+4+5
The opposite of -4 is 4.
5x-3=-x+4+5
Combine 2x and -3x to get -x.
5x-3=-x+9
Add 4 and 5 to get 9.
5x-3+x=9
Add x to both sides.
6x-3=9
Combine 5x and x to get 6x.
6x=9+3
Add 3 to both sides.
6x=12
Add 9 and 3 to get 12.
x=\frac{12}{6}
Divide both sides by 6.
x=2
Divide 12 by 6 to get 2.
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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