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-6x+7y-34
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-6x+7y-34
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-x-34+2y-\left(5x-5y\right)
Combine 2x and -3x to get -x.
-x-34+2y-5x-\left(-5y\right)
To find the opposite of 5x-5y, find the opposite of each term.
-x-34+2y-5x+5y
The opposite of -5y is 5y.
-6x-34+2y+5y
Combine -x and -5x to get -6x.
-6x-34+7y
Combine 2y and 5y to get 7y.
-x-34+2y-\left(5x-5y\right)
Combine 2x and -3x to get -x.
-x-34+2y-5x-\left(-5y\right)
To find the opposite of 5x-5y, find the opposite of each term.
-x-34+2y-5x+5y
The opposite of -5y is 5y.
-6x-34+2y+5y
Combine -x and -5x to get -6x.
-6x-34+7y
Combine 2y and 5y to get 7y.
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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]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}