Solve for x
x=9
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x+5=\frac{7}{4}\times 8
Multiply both sides by 8.
x+5=\frac{7\times 8}{4}
Express \frac{7}{4}\times 8 as a single fraction.
x+5=\frac{56}{4}
Multiply 7 and 8 to get 56.
x+5=14
Divide 56 by 4 to get 14.
x=14-5
Subtract 5 from both sides.
x=9
Subtract 5 from 14 to get 9.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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