Solve for x
x=5
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2x-7=\frac{18}{6}
Divide both sides by 6.
2x-7=3
Divide 18 by 6 to get 3.
2x=3+7
Add 7 to both sides.
2x=10
Add 3 and 7 to get 10.
x=\frac{10}{2}
Divide both sides by 2.
x=5
Divide 10 by 2 to get 5.
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y = 3x + 4
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Matrix
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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