Solve for x
x=15
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Linear Equation
5 problems similar to:
3 \frac { 2 } { 5 } = \frac { x } { 5 } + \frac { 2 } { 5 }
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3\times 5+2=x+2
Multiply both sides of the equation by 5.
15+2=x+2
Multiply 3 and 5 to get 15.
17=x+2
Add 15 and 2 to get 17.
x+2=17
Swap sides so that all variable terms are on the left hand side.
x=17-2
Subtract 2 from both sides.
x=15
Subtract 2 from 17 to get 15.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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