6. a) 13c - 7d final answer
b) 20ab final answer - OCR - GCSE Maths - Question 9 - 2017 - Paper 2
Question 9
6. a) 13c - 7d final answer
b) 20ab final answer
Worked Solution & Example Answer:6. a) 13c - 7d final answer
b) 20ab final answer - OCR - GCSE Maths - Question 9 - 2017 - Paper 2
Step 1
a) 13c - 7d final answer
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Answer
To find the expression for 13c - 7d, we identify the coefficients of the variables involved. We first ensure that our fractions are reduced to their simplest form, if applicable. The answer can be directly stated as 13c - 7d.
Step 2
b) 20ab final answer
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Answer
The expression 20ab is already in its simplest form. To derive this, we recognize the coefficients (20) and the variables (a and b). Therefore, the final answer remains 20ab.
