Solve for x
x = \frac{17}{5} = 3\frac{2}{5} = 3.4
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12x-24=7x-7
Use the distributive property to multiply 6 by 2x-4.
12x-24-7x=-7
Subtract 7x from both sides.
5x-24=-7
Combine 12x and -7x to get 5x.
5x=-7+24
Add 24 to both sides.
5x=17
Add -7 and 24 to get 17.
x=\frac{17}{5}
Divide both sides by 5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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Matrix
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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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