Solve for x
x=-7
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15-x-3=19
To find the opposite of x+3, find the opposite of each term.
12-x=19
Subtract 3 from 15 to get 12.
-x=19-12
Subtract 12 from both sides.
-x=7
Subtract 12 from 19 to get 7.
x=-7
Multiply both sides by -1.
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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