Solve for x
x>19
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3x-1-x>37
Subtract x from both sides.
2x-1>37
Combine 3x and -x to get 2x.
2x>37+1
Add 1 to both sides.
2x>38
Add 37 and 1 to get 38.
x>\frac{38}{2}
Divide both sides by 2. Since 2 is positive, the inequality direction remains the same.
x>19
Divide 38 by 2 to get 19.
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
\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
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Limits
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