Solve for x
x = \frac{5}{2} = 2\frac{1}{2} = 2.5
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4x-1+9=18
Subtract 7 from 6 to get -1.
4x+8=18
Add -1 and 9 to get 8.
4x=18-8
Subtract 8 from both sides.
4x=10
Subtract 8 from 18 to get 10.
x=\frac{10}{4}
Divide both sides by 4.
x=\frac{5}{2}
Reduce the fraction \frac{10}{4} to lowest terms by extracting and canceling out 2.
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y = 3x + 4
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\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]
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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