Basic Math Examples

Solve for a 3-15/(8a)=0
Step 1
Subtract from both sides of the equation.
Step 2
Find the LCD of the terms in the equation.
Tap for more steps...
Step 2.1
Finding the LCD of a list of values is the same as finding the LCM of the denominators of those values.
Step 2.2
The LCM of one and any expression is the expression.
Step 3
Multiply each term in by to eliminate the fractions.
Tap for more steps...
Step 3.1
Multiply each term in by .
Step 3.2
Simplify the left side.
Tap for more steps...
Step 3.2.1
Cancel the common factor of .
Tap for more steps...
Step 3.2.1.1
Move the leading negative in into the numerator.
Step 3.2.1.2
Cancel the common factor.
Step 3.2.1.3
Rewrite the expression.
Step 3.3
Simplify the right side.
Tap for more steps...
Step 3.3.1
Multiply by .
Step 4
Solve the equation.
Tap for more steps...
Step 4.1
Rewrite the equation as .
Step 4.2
Divide each term in by and simplify.
Tap for more steps...
Step 4.2.1
Divide each term in by .
Step 4.2.2
Simplify the left side.
Tap for more steps...
Step 4.2.2.1
Cancel the common factor of .
Tap for more steps...
Step 4.2.2.1.1
Cancel the common factor.
Step 4.2.2.1.2
Divide by .
Step 4.2.3
Simplify the right side.
Tap for more steps...
Step 4.2.3.1
Cancel the common factor of and .
Tap for more steps...
Step 4.2.3.1.1
Factor out of .
Step 4.2.3.1.2
Cancel the common factors.
Tap for more steps...
Step 4.2.3.1.2.1
Factor out of .
Step 4.2.3.1.2.2
Cancel the common factor.
Step 4.2.3.1.2.3
Rewrite the expression.
Step 5
The result can be shown in multiple forms.
Exact Form:
Decimal Form: