Solve for x
x = \frac{19}{2} = 9\frac{1}{2} = 9.5
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5x-15=3x+4
Use the distributive property to multiply 5 by x-3.
5x-15-3x=4
Subtract 3x from both sides.
2x-15=4
Combine 5x and -3x to get 2x.
2x=4+15
Add 15 to both sides.
2x=19
Add 4 and 15 to get 19.
x=\frac{19}{2}
Divide both sides by 2.
Examples
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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
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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