Solve for x
x = -\frac{13}{2} = -6\frac{1}{2} = -6.5
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9x-3-7x=-16
Subtract 7x from both sides.
2x-3=-16
Combine 9x and -7x to get 2x.
2x=-16+3
Add 3 to both sides.
2x=-13
Add -16 and 3 to get -13.
x=\frac{-13}{2}
Divide both sides by 2.
x=-\frac{13}{2}
Fraction \frac{-13}{2} can be rewritten as -\frac{13}{2} by extracting the negative sign.
Examples
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y = 3x + 4
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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