Solve for x
x=-9
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1-x-2x=28
Multiply both sides of the equation by 4, the least common multiple of 4,2.
1-3x=28
Combine -x and -2x to get -3x.
-3x=28-1
Subtract 1 from both sides.
-3x=27
Subtract 1 from 28 to get 27.
x=\frac{27}{-3}
Divide both sides by -3.
x=-9
Divide 27 by -3 to get -9.
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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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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