Solve for y
y=-24
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3\times 3y-24=2\times 5y
Multiply both sides of the equation by 12, the least common multiple of 4,6.
9y-24=2\times 5y
Multiply 3 and 3 to get 9.
9y-24=10y
Multiply 2 and 5 to get 10.
9y-24-10y=0
Subtract 10y from both sides.
-y-24=0
Combine 9y and -10y to get -y.
-y=24
Add 24 to both sides. Anything plus zero gives itself.
y=-24
Multiply both sides by -1.
Examples
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{ 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}