Solve for x
x = \frac{3115}{2} = 1557\frac{1}{2} = 1557.5
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2\left(-x-411\times 6\right)-\left(494\times 2+7\right)+1598\times 4+918\times 6=2858
Multiply both sides of the equation by 2.
2\left(-x-411\times 6\right)-\left(494\times 2+7\right)+6392+5508=2858
Multiply 1598 and 4 to get 6392. Multiply 918 and 6 to get 5508.
2\left(-x-2466\right)-\left(494\times 2+7\right)+6392+5508=2858
Multiply 411 and 6 to get 2466.
2\left(-x\right)-4932-\left(494\times 2+7\right)+6392+5508=2858
Use the distributive property to multiply 2 by -x-2466.
2\left(-x\right)-4932-\left(988+7\right)+6392+5508=2858
Multiply 494 and 2 to get 988.
2\left(-x\right)-4932-995+6392+5508=2858
Add 988 and 7 to get 995.
2\left(-x\right)-5927+6392+5508=2858
Subtract 995 from -4932 to get -5927.
2\left(-x\right)+465+5508=2858
Add -5927 and 6392 to get 465.
2\left(-x\right)+5973=2858
Add 465 and 5508 to get 5973.
2\left(-x\right)=2858-5973
Subtract 5973 from both sides.
2\left(-x\right)=-3115
Subtract 5973 from 2858 to get -3115.
-x=-\frac{3115}{2}
Divide both sides by 2.
x=\frac{3115}{2}
Multiply both sides by -1.
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}