Finite Math Examples

Solve by Substitution x=45 , x+y=140
,
Step 1
Replace all occurrences of with in each equation.
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Step 1.1
Replace all occurrences of in with .
Step 1.2
Simplify the left side.
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Step 1.2.1
Remove parentheses.
Step 2
Move all terms not containing to the right side of the equation.
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Step 2.1
Subtract from both sides of the equation.
Step 2.2
Subtract from .
Step 3
Solve the system of equations.
Step 4
The solution to the system is the complete set of ordered pairs that are valid solutions.
Step 5
The result can be shown in multiple forms.
Point Form:
Equation Form:
Step 6