Solve for x
x=8
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7x-8=2\times 3x
Multiply both sides of the equation by 4, the least common multiple of 4,2.
7x-8=6x
Multiply 2 and 3 to get 6.
7x-8-6x=0
Subtract 6x from both sides.
x-8=0
Combine 7x and -6x to get x.
x=8
Add 8 to both sides. Anything plus zero gives itself.
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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 ) }
Integration
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Limits
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