Evaluate
-\frac{4y}{7}+64
Expand
-\frac{4y}{7}+64
Graph
Share
Copied to clipboard
\left(16-\frac{y}{7}\right)\times 4
Express 1\times \frac{y}{7} as a single fraction.
\left(\frac{16\times 7}{7}-\frac{y}{7}\right)\times 4
To add or subtract expressions, expand them to make their denominators the same. Multiply 16 times \frac{7}{7}.
\frac{16\times 7-y}{7}\times 4
Since \frac{16\times 7}{7} and \frac{y}{7} have the same denominator, subtract them by subtracting their numerators.
\frac{112-y}{7}\times 4
Do the multiplications in 16\times 7-y.
\frac{\left(112-y\right)\times 4}{7}
Express \frac{112-y}{7}\times 4 as a single fraction.
\frac{448-4y}{7}
Use the distributive property to multiply 112-y by 4.
\left(16-\frac{y}{7}\right)\times 4
Express 1\times \frac{y}{7} as a single fraction.
\left(\frac{16\times 7}{7}-\frac{y}{7}\right)\times 4
To add or subtract expressions, expand them to make their denominators the same. Multiply 16 times \frac{7}{7}.
\frac{16\times 7-y}{7}\times 4
Since \frac{16\times 7}{7} and \frac{y}{7} have the same denominator, subtract them by subtracting their numerators.
\frac{112-y}{7}\times 4
Do the multiplications in 16\times 7-y.
\frac{\left(112-y\right)\times 4}{7}
Express \frac{112-y}{7}\times 4 as a single fraction.
\frac{448-4y}{7}
Use the distributive property to multiply 112-y by 4.
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}