Solve the Equation $U - 5 = 15$ and state the axiom that you use here.

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Solution

u - 5 = 15
=> u = 15 + 5
=> u = 20
The Axiom used above is Transposition according to which when a number is shifted to the other side sign changes.

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a - 15 = 25

Question 2(g)
Give first the step you will use to separate the variable and then solve the equation:
$\frac{a}{5} = \frac{7}{15}$

State the Euclid’s Axiom used in X -15 is equal to 25

\frac{15}{u} + \frac{2}{v} = 17

\frac{1}{u} + \frac{1}{v} = \frac{36}{5}

Solve the following systems of equations:

$\frac{15}{u} + \frac{2}{v} = 17$

$\frac{1}{u} + \frac{1}{v} = \frac{36}{5}$

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