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5x-2b+23
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5x-2b+23
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10b+10-9b-3b-7+20-7+2x-\left(-3x-7\right)
Add 4 and 6 to get 10.
b+10-3b-7+20-7+2x-\left(-3x-7\right)
Combine 10b and -9b to get b.
-2b+10-7+20-7+2x-\left(-3x-7\right)
Combine b and -3b to get -2b.
-2b+3+20-7+2x-\left(-3x-7\right)
Subtract 7 from 10 to get 3.
-2b+23-7+2x-\left(-3x-7\right)
Add 3 and 20 to get 23.
-2b+16+2x-\left(-3x-7\right)
Subtract 7 from 23 to get 16.
-2b+16+2x-\left(-3x\right)-\left(-7\right)
To find the opposite of -3x-7, find the opposite of each term.
-2b+16+2x+3x-\left(-7\right)
The opposite of -3x is 3x.
-2b+16+2x+3x+7
The opposite of -7 is 7.
-2b+16+5x+7
Combine 2x and 3x to get 5x.
-2b+23+5x
Add 16 and 7 to get 23.
10b+10-9b-3b-7+20-7+2x-\left(-3x-7\right)
Add 4 and 6 to get 10.
b+10-3b-7+20-7+2x-\left(-3x-7\right)
Combine 10b and -9b to get b.
-2b+10-7+20-7+2x-\left(-3x-7\right)
Combine b and -3b to get -2b.
-2b+3+20-7+2x-\left(-3x-7\right)
Subtract 7 from 10 to get 3.
-2b+23-7+2x-\left(-3x-7\right)
Add 3 and 20 to get 23.
-2b+16+2x-\left(-3x-7\right)
Subtract 7 from 23 to get 16.
-2b+16+2x-\left(-3x\right)-\left(-7\right)
To find the opposite of -3x-7, find the opposite of each term.
-2b+16+2x+3x-\left(-7\right)
The opposite of -3x is 3x.
-2b+16+2x+3x+7
The opposite of -7 is 7.
-2b+16+5x+7
Combine 2x and 3x to get 5x.
-2b+23+5x
Add 16 and 7 to get 23.
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}