Solve for x
x\leq 25
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\frac{1}{5}x\leq 4+1
Add 1 to both sides.
\frac{1}{5}x\leq 5
Add 4 and 1 to get 5.
x\leq 5\times 5
Multiply both sides by 5, the reciprocal of \frac{1}{5}. Since \frac{1}{5} is positive, the inequality direction remains the same.
x\leq 25
Multiply 5 and 5 to get 25.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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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