Solve for x
x=15
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4x+225-5x+15=225
Use the distributive property to multiply 45-x by 5.
-x+225+15=225
Combine 4x and -5x to get -x.
-x+240=225
Add 225 and 15 to get 240.
-x=225-240
Subtract 240 from both sides.
-x=-15
Subtract 240 from 225 to get -15.
x=15
Multiply both sides by -1.
Examples
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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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