Solve for x
x<-12
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2x-5-3x>7
Subtract 3x from both sides.
-x-5>7
Combine 2x and -3x to get -x.
-x>7+5
Add 5 to both sides.
-x>12
Add 7 and 5 to get 12.
x<-12
Divide both sides by -1. Since -1 is negative, the inequality direction is changed.
Examples
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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
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Limits
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