Question

Q Write algebraic equations for the following statements. You do not need to solve them.

(A) The cost of a gel pen is (rupees 7) more than that of a ball pen. If the ball pen costs (ruppees8), what is the cost of the gel pen? ​

Answer 1

Let cost of one gel pen be x rs and of ball pen be y rs

So, as per condition

gel pen cost = ball pen cost + 7rs

x = y + 7 ... eqn 1

Just substitute the value of ball is 8 in place of y you will get you answer

Answer 2

Answer:

x+7=8+7+7

the cost of the gel pen is 15

Step-by-step explanation:

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