Pre-Algebra Examples

Solve the System of @WORD 3x+y=6 , x=-7 , y=4
, ,
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
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
Remove parentheses.
Step 2.2.1.2
Add and .
Step 3
Since is not true, there is no solution.
No solution
Step 4