Linear Algebra Examples

Find the Variables [[1,2],[-3,-6]]*[[x],[y]]=[[4],[-2]]
Step 1
Multiply .
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Step 1.1
Two matrices can be multiplied if and only if the number of columns in the first matrix is equal to the number of rows in the second matrix. In this case, the first matrix is and the second matrix is .
Step 1.2
Multiply each row in the first matrix by each column in the second matrix.
Step 1.3
Simplify each element of the matrix by multiplying out all the expressions.
Step 2
The matrix equation can be written as a set of equations.
Step 3
Subtract from both sides of the equation.
Step 4
Replace all occurrences of with in each equation.
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Step 4.1
Replace all occurrences of in with .
Step 4.2
Simplify the left side.
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Step 4.2.1
Simplify .
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Step 4.2.1.1
Simplify each term.
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Step 4.2.1.1.1
Apply the distributive property.
Step 4.2.1.1.2
Multiply by .
Step 4.2.1.1.3
Multiply by .
Step 4.2.1.2
Combine the opposite terms in .
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Step 4.2.1.2.1
Subtract from .
Step 4.2.1.2.2
Add and .
Step 5
Since is not true, there is no solution.
No solution