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4a-4b+1
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4a-4b+1
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6a-6+5a-6b-\left(-2b-7\right)-7a
Combine 3a and 3a to get 6a.
11a-6-6b-\left(-2b-7\right)-7a
Combine 6a and 5a to get 11a.
11a-6-6b-\left(-2b\right)-\left(-7\right)-7a
To find the opposite of -2b-7, find the opposite of each term.
11a-6-6b+2b-\left(-7\right)-7a
The opposite of -2b is 2b.
11a-6-6b+2b+7-7a
The opposite of -7 is 7.
11a-6-4b+7-7a
Combine -6b and 2b to get -4b.
11a+1-4b-7a
Add -6 and 7 to get 1.
4a+1-4b
Combine 11a and -7a to get 4a.
6a-6+5a-6b-\left(-2b-7\right)-7a
Combine 3a and 3a to get 6a.
11a-6-6b-\left(-2b-7\right)-7a
Combine 6a and 5a to get 11a.
11a-6-6b-\left(-2b\right)-\left(-7\right)-7a
To find the opposite of -2b-7, find the opposite of each term.
11a-6-6b+2b-\left(-7\right)-7a
The opposite of -2b is 2b.
11a-6-6b+2b+7-7a
The opposite of -7 is 7.
11a-6-4b+7-7a
Combine -6b and 2b to get -4b.
11a+1-4b-7a
Add -6 and 7 to get 1.
4a+1-4b
Combine 11a and -7a to get 4a.
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}