Solve for X
X = -\frac{11}{2} = -5\frac{1}{2} = -5.5
Share
Copied to clipboard
3X+6-\left(X-5\right)=0
Use the distributive property to multiply 3 by X+2.
3X+6-X-\left(-5\right)=0
To find the opposite of X-5, find the opposite of each term.
3X+6-X+5=0
The opposite of -5 is 5.
2X+6+5=0
Combine 3X and -X to get 2X.
2X+11=0
Add 6 and 5 to get 11.
2X=-11
Subtract 11 from both sides. Anything subtracted from zero gives its negation.
X=\frac{-11}{2}
Divide both sides by 2.
X=-\frac{11}{2}
Fraction \frac{-11}{2} can be rewritten as -\frac{11}{2} by extracting the negative sign.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}