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7\times 2-2=5\left(1+1\right)+2
Add 1 and 1 to get 2.
14-2=5\left(1+1\right)+2
Multiply 7 and 2 to get 14.
12=5\left(1+1\right)+2
Subtract 2 from 14 to get 12.
12=5\times 2+2
Add 1 and 1 to get 2.
12=10+2
Multiply 5 and 2 to get 10.
12=12
Add 10 and 2 to get 12.
\text{true}
Compare 12 and 12.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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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}