Solve for x
x = \frac{7}{2} = 3\frac{1}{2} = 3.5
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2-x=-3x+9
Use the distributive property to multiply -3 by x-3.
2-x+3x=9
Add 3x to both sides.
2+2x=9
Combine -x and 3x to get 2x.
2x=9-2
Subtract 2 from both sides.
2x=7
Subtract 2 from 9 to get 7.
x=\frac{7}{2}
Divide both sides by 2.
Examples
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y = 3x + 4
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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