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Sove these problems and show your solutions.

1. Lebron is five years older than Steph, the sum of their age is forty-five. How old are Lebron and Steph?

2. Daena is seven years younger than Wong and the sum of their age is forty-three. How old are Daena and Wong?

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Answer:

Step-by-step explanation:

When we put 6 in place of x we get:

6 − 2 = 4

which is true

So x = 6 is a solution.

How about other values for x ?

For x=5 we get "5−2=4" which is not true, so x=5 is not a solution.

For x=9 we get "9−2=4" which is not true, so x=9 is not a solution.

etc

In this case x = 6 is the only solution.

When x is 3 we get:

(3−3)(3−2) = 0 × 1 = 0

which is true

And when x is 2 we get:

(2−3)(2−2) = (−1) × 0 = 0

which is also true

So the solutions are:

x = 3, or x = 2

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