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2 answers:
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The x and y values in the given matrices are 6 and 7 respectively.
Step-by-step explanation:
Step 1; Both the given matrices are of the order 1 × 2. So to solve the values of x and y is just a matter of substitution. We substitute the values which correspond with each other i.e we substitute the values of which is the element at row 1 column 1 of both matrices. Similarly, the values of
in both matrices are substituted with each other.
Step 2; The value of of the first matrix is 4x and the corresponding value in the second matrix is 24. So 4x will be equal to 24. Similarly, the value of
in the second matrix is 6y and its corresponding value in the first matrix is 42. So 6y will equal 42.
4x = 24, x = , x = 6
6y = 42, y = , y = 7
Answer:
Simplifying by collecting like terms
Step-by-step explanation:
Given
See attachment for complete question
Required
The missing step
The missing step is at step 2.
At step 1, we have:
At step 2, we have:
What she did at step 2, is that:
She collected like terms; 1 and
Then she simplified the like terms:
<em>Hence (a) is correct</em>
