Finite Math Examples

Solve by Substitution x+y=130 , 20x+10y=1500 , x=45 , y=32
, , ,
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 1.3
Replace all occurrences of in with .
Step 1.4
Simplify the left side.
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Step 1.4.1
Multiply by .
Step 2
Replace all occurrences of with in each equation.
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Step 2.1
Replace all occurrences of in with .
Step 2.2
Simplify the left side.
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Step 2.2.1
Simplify .
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Step 2.2.1.1
Multiply by .
Step 2.2.1.2
Add and .
Step 2.3
Replace all occurrences of in with .
Step 2.4
Simplify the left side.
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Step 2.4.1
Simplify .
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Step 2.4.1.1
Remove parentheses.
Step 2.4.1.2
Add and .
Step 3
Since is not true, there is no solution.
No solution
Step 4