Solve for b
b=2
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2b+10=3b+8
Use the distributive property to multiply 2 by b+5.
2b+10-3b=8
Subtract 3b from both sides.
-b+10=8
Combine 2b and -3b to get -b.
-b=8-10
Subtract 10 from both sides.
-b=-2
Subtract 10 from 8 to get -2.
b=2
Multiply both sides by -1.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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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
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Limits
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