Solve for x
x=\frac{5}{21}\approx 0.238095238
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3x+4x+6x+8x=5
Combine x and 2x to get 3x.
7x+6x+8x=5
Combine 3x and 4x to get 7x.
13x+8x=5
Combine 7x and 6x to get 13x.
21x=5
Combine 13x and 8x to get 21x.
x=\frac{5}{21}
Divide both sides by 21.
Examples
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y = 3x + 4
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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