Solve for x
x=2
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x+5=2x+6x-9
Combine 4x and -3x to get x.
x+5=8x-9
Combine 2x and 6x to get 8x.
x+5-8x=-9
Subtract 8x from both sides.
-7x+5=-9
Combine x and -8x to get -7x.
-7x=-9-5
Subtract 5 from both sides.
-7x=-14
Subtract 5 from -9 to get -14.
x=\frac{-14}{-7}
Divide both sides by -7.
x=2
Divide -14 by -7 to get 2.
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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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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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