Solve for x
x=2.6
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11.2-2x=6
Multiply 1.4 and 8 to get 11.2.
-2x=6-11.2
Subtract 11.2 from both sides.
-2x=-5.2
Subtract 11.2 from 6 to get -5.2.
x=\frac{-5.2}{-2}
Divide both sides by -2.
x=\frac{-52}{-20}
Expand \frac{-5.2}{-2} by multiplying both numerator and the denominator by 10.
x=\frac{13}{5}
Reduce the fraction \frac{-52}{-20} to lowest terms by extracting and canceling out -4.
Examples
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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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