Question 3(iv)
Identify the operations used (addition, subtraction, division, multiplication) in forming the following expressions and tell how the expressions have been formed:
7m, - 7m +3, - 7m - 3
ExpressionOperationReason 7mMultiplicationIt is formed by multiplying m and 7. −7m+3Multiplication and additionIt is formed by multiplying -7 and m and adding 3 to the result.−7m−3Multiplication and subtractionIt is formed by multiplying -7 and m and subtracting 3 from the result.