Pre-Algebra Examples

Solve for f f/-4+20.5=12.9
Step 1
Move the negative in front of the fraction.
Step 2
Move all terms not containing to the right side of the equation.
Tap for more steps...
Step 2.1
Subtract from both sides of the equation.
Step 2.2
Subtract from .
Step 3
Multiply both sides of the equation by .
Step 4
Simplify both sides of the equation.
Tap for more steps...
Step 4.1
Simplify the left side.
Tap for more steps...
Step 4.1.1
Simplify .
Tap for more steps...
Step 4.1.1.1
Cancel the common factor of .
Tap for more steps...
Step 4.1.1.1.1
Move the leading negative in into the numerator.
Step 4.1.1.1.2
Factor out of .
Step 4.1.1.1.3
Cancel the common factor.
Step 4.1.1.1.4
Rewrite the expression.
Step 4.1.1.2
Multiply.
Tap for more steps...
Step 4.1.1.2.1
Multiply by .
Step 4.1.1.2.2
Multiply by .
Step 4.2
Simplify the right side.
Tap for more steps...
Step 4.2.1
Multiply by .