Solve for X
X=-3
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-3X-4=\frac{35}{7}
Divide both sides by 7.
-3X-4=5
Divide 35 by 7 to get 5.
-3X=5+4
Add 4 to both sides.
-3X=9
Add 5 and 4 to get 9.
X=\frac{9}{-3}
Divide both sides by -3.
X=-3
Divide 9 by -3 to get -3.
Examples
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Linear equation
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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