Basic Math Examples

Solve for n n=3n-1/2
n=3n-12
Step 1
Move all terms containing n to the left side of the equation.
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Step 1.1
Subtract 3n from both sides of the equation.
n-3n=-12
Step 1.2
Subtract 3n from n.
-2n=-12
-2n=-12
Step 2
Divide each term in -2n=-12 by -2 and simplify.
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Step 2.1
Divide each term in -2n=-12 by -2.
-2n-2=-12-2
Step 2.2
Simplify the left side.
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Step 2.2.1
Cancel the common factor of -2.
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Step 2.2.1.1
Cancel the common factor.
-2n-2=-12-2
Step 2.2.1.2
Divide n by 1.
n=-12-2
n=-12-2
n=-12-2
Step 2.3
Simplify the right side.
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Step 2.3.1
Multiply the numerator by the reciprocal of the denominator.
n=-121-2
Step 2.3.2
Move the negative in front of the fraction.
n=-12(-12)
Step 2.3.3
Multiply -12(-12).
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Step 2.3.3.1
Multiply -1 by -1.
n=1(12)12
Step 2.3.3.2
Multiply 12 by 1.
n=1212
Step 2.3.3.3
Multiply 12 by 12.
n=122
Step 2.3.3.4
Multiply 2 by 2.
n=14
n=14
n=14
n=14
Step 3
The result can be shown in multiple forms.
Exact Form:
n=14
Decimal Form:
n=0.25
 [x2  12  π  xdx ]