Solve for x
x=-2
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5\times 3=2x+19
Multiply both sides by 3.
15=2x+19
Multiply 5 and 3 to get 15.
2x+19=15
Swap sides so that all variable terms are on the left hand side.
2x=15-19
Subtract 19 from both sides.
2x=-4
Subtract 19 from 15 to get -4.
x=\frac{-4}{2}
Divide both sides by 2.
x=-2
Divide -4 by 2 to get -2.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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