Solve for x
x=17
Graph
Share
Copied to clipboard
10x-17=8.5x+8.5
Use the distributive property to multiply 8.5 by x+1.
10x-17-8.5x=8.5
Subtract 8.5x from both sides.
1.5x-17=8.5
Combine 10x and -8.5x to get 1.5x.
1.5x=8.5+17
Add 17 to both sides.
1.5x=25.5
Add 8.5 and 17 to get 25.5.
x=\frac{25.5}{1.5}
Divide both sides by 1.5.
x=\frac{255}{15}
Expand \frac{25.5}{1.5} by multiplying both numerator and the denominator by 10.
x=17
Divide 255 by 15 to get 17.
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}