Question

Simplify each of the following by removing the brackets. a) 4+(-1) b) 6+(-2) c)5-(-3) d) 7+(-8) e) 12-(-12) f) 0-(+5) Do these sums step by step

Answer 1

Answer:

Step-by-step explanation:

the answer is given below !

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Answer 2

Step-by-step explanation:

We know from arithmetic that 3 × 6 + 2 × 6 = 5 × 6. We could replace the number 6 in this statement by any other number we like and so we could write down infinitely many such statements. All of these can be captured by the algebraic statement 3x + 2x = 5x, for any number x. Thus algebra enables us to write down general statements clearly and concisely.