Finite Math Examples

Write in Standard Form (3x)/8-(3y)/5=33/80
Step 1
The standard form of a linear equation is .
Step 2
Find the LCD of and .
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
Since contains both numbers and variables, there are two steps to find the LCM. Find LCM for the numeric part then find LCM for the variable part .
Step 2.3
The LCM is the smallest positive number that all of the numbers divide into evenly.
1. List the prime factors of each number.
2. Multiply each factor the greatest number of times it occurs in either number.
Step 2.4
The prime factors for are .
Tap for more steps...
Step 2.4.1
has factors of and .
Step 2.4.2
has factors of and .
Step 2.5
Since has no factors besides and .
is a prime number
Step 2.6
The prime factors for are .
Tap for more steps...
Step 2.6.1
has factors of and .
Step 2.6.2
has factors of and .
Step 2.6.3
has factors of and .
Step 2.6.4
has factors of and .
Step 2.7
Multiply .
Tap for more steps...
Step 2.7.1
Multiply by .
Step 2.7.2
Multiply by .
Step 2.7.3
Multiply by .
Step 2.7.4
Multiply by .
Step 3
Multiply both sides by .
Step 4
Simplify the left side.
Tap for more steps...
Step 4.1
Simplify .
Tap for more steps...
Step 4.1.1
Apply the distributive property.
Step 4.1.2
Cancel the common factor of .
Tap for more steps...
Step 4.1.2.1
Factor out of .
Step 4.1.2.2
Cancel the common factor.
Step 4.1.2.3
Rewrite the expression.
Step 4.1.3
Multiply by .
Step 4.1.4
Cancel the common factor of .
Tap for more steps...
Step 4.1.4.1
Move the leading negative in into the numerator.
Step 4.1.4.2
Factor out of .
Step 4.1.4.3
Cancel the common factor.
Step 4.1.4.4
Rewrite the expression.
Step 4.1.5
Multiply by .
Step 5
Simplify the right side.
Tap for more steps...
Step 5.1
Cancel the common factor of .
Tap for more steps...
Step 5.1.1
Cancel the common factor.
Step 5.1.2
Rewrite the expression.
Step 6