Solve for x
x=1
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-2x+7=5-4x+4
Combine 4x and -6x to get -2x.
-2x+7=9-4x
Add 5 and 4 to get 9.
-2x+7+4x=9
Add 4x to both sides.
2x+7=9
Combine -2x and 4x to get 2x.
2x=9-7
Subtract 7 from both sides.
2x=2
Subtract 7 from 9 to get 2.
x=\frac{2}{2}
Divide both sides by 2.
x=1
Divide 2 by 2 to get 1.
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y = 3x + 4
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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]
Simultaneous equation
\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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