Solve for x
x=7
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2x+34=4x+20
Use the distributive property to multiply 4 by x+5.
2x+34-4x=20
Subtract 4x from both sides.
-2x+34=20
Combine 2x and -4x to get -2x.
-2x=20-34
Subtract 34 from both sides.
-2x=-14
Subtract 34 from 20 to get -14.
x=\frac{-14}{-2}
Divide both sides by -2.
x=7
Divide -14 by -2 to get 7.
Examples
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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